S2000 rev hang. Doing the opposite should give you the desired effects.

S2000 rev hang While the rev hang is primarily in place for emissions constraints, Subaru cleverly implemented a system to counter act it entirely granted you figured out how to do it. ) _____ I don't know this for sure because I have a non Si but the way ktuner works for me is in eco AND normal, if I choose to disable rev hang it is disabled. I found this out after having the last car tuned, and it still did the same thing. See the middle graph in the below image: (credit: Re: Proper Way to Up-Shift /w "Rev Hang" (bhtooefr) Quote, originally posted by bhtooefr » It's pretty hard to notice a reflash on an NA car just by driving it, but it's quite easy by hooking up a VAS 1552 (which a dealer will almost certainly do while diagnosing an issue) especially if the tuner hasn't been careful to hide it. ly/engineering-explained-shop-advance-auto U CTR FlashPro tuning - rev hang. Yujin Posts: 3 ↳ 06-09 S2000 Specific; ↳ TL Platform; ↳ 07-08 TL Specific; ↳ 09-14 TL Specific; ↳ TLX Platform; ↳ 15-20 TLX V6; ↳ I have noticed that rev hang is not bad when you shift at about 3k rpm or less. OTOH, my former '17 Civic Si had a rev hang so severe that I traded the car much earlier than I'd planned. The DBW is seamless on the 06+ cars. He just said it's the way it's tuned and said it wasn't rev hang, but I think it is basically rev hang. Also, I'm a bit too tall for the ND, my hair brushes the top of the roof when it's up. After owning my 2018 hatch for more than half a year, I decided that enough was enough and decided to figure out how to get rid of the rev hang. I have a customer who installed a Edelbrock E-Force sc kit (P# 15800) onto a 2006 GT 4. it's been three years since the 06+ civic si came out and Honda still haven't fix the issue, so i'm a bit surprise here too. Experienced: Joined: Wed Jul 04, 2012 2:05 pm The purpose of rev hang is to make shifting smoother. Its as if the rev matching has been toned back a bit. How do I reduce 'rev hang'? There are several things to check in order to reduce rev hang. Gotta wait a couple seconds sometimes when doing a 1 --> 2. Some models do not have 'rev hang', in others vehicles it is noticeable when shifting. I haven't tried this in a while, but try it in the driveway or something and see if you get the same result. The "good old days". Fewer unburned hydrocarbons and such. dhminer. Given the mileage and year sounds like lots of highway miles, so probably not need. We suppose RK Tunes' automatic tune has some rev hang (which doesn't matter for that gearbox) in order to produce fuel overrun. I can’t speak for the stock shifter. It’s no s2000 or Miata, but still a fun shifter with decent feel. Thanked 422 Times in 281 Posts Mentioned: 13 Post(s) Tagged: 0 With the rev hang maintaining revs, there is no call on the flywheel (light or heavy) to do anything. I guess this is because the distance you have to move the shifter is longer to get to 5th? Honestly just lowering VTEC and eliminating the rev hang among a couple other small changes makes a huge difference. Pretty decent feel. saw my first ever s2k!!! you think if I talked to the owner nicely he would drive me around in it? 4. This rotating mass may account for 5-10% of it, however, I replaced my worn OEM clutch with a single-mass solid 16lb steel unit, and the difference is minimal if noticeable at all, though it Hello s10 cult. I just wanted to confirm that for my ECU that the "Disable rev hang" option is there as that is the main reason I'm buying this. And with a DCT you can slip one clutch in while the other clutch is being Advanced Search Cancel Create thread New Forums More Login / Join On my old "rev-hang-less" Prelude, I would get this behavior if I were to suddenly let off the throttle, but a gradual liftoff produced a smooth transition to vacuum. I declutch, shift down, but before i re-engage my rpm seems like it's being electronically held at the rpm I was at before I declutched. When I first got this car, I almost made the car jump forward and cause damage when after I parked and while still in-gear and clutch down, I press the Start/Stop button, The current Civic Si, which only comes in manual and is 2 notches below the top trim suffers from rev hang greatly. First Name Not Integra23 Joined Mar 19, 2022 2004 Honda S2000 2014 Honda Fit Sport. ↳ S2000 Platform; ↳ 06-09 S2000 Specific; ↳ TL Platform; ↳ 07-08 TL Specific; ↳ 09-14 TL Specific; ↳ TLX Platform; ↳ 15-20 TLX V6; So my sport hatch started doing this insanely long rev hang now that it’s gotten pretty cold up here in Jersey; is this a normal thing in sub 20 degree weather? Sometimes it’ll even build revs when I clutch in while going around in a parking lot. There's still a bit of rev hang without the ARM, but that's on par with most other contemporary fuel-injected engines and is quite tolerable. Basically, I start up the car, the RPM shakes up and down a little (but it's a lot better with the new spark plugs), and when the revs have settled, I give a few taps to the throttle to bring the engine up to 4-5k RPM and then instantly let off it. MSchu. Top . mattaleo Senior Member. I recently got the Acuity stage 3 kit thinking my shifts would be faster, and they are - but rev hang is now my 'weak point'. it's designed to reduce wear on the clutch, it is basically a one way restrictor valve designed to slow down the bleed off of hydraulic pressure so the clutch engages slower, reducing wear on the plates. It's like a 20% reduction in rev hang. Sometimes makes downshift rev matching inconsistent as revs rise too high. The Focus ST has this problem, the Yep, the only thing that finally completely sorted rev hang for the 8th gen was switching to a MAP tune using FlashPro. I explained the intricacies of rev hang, including videos and charts in my Website devoted to the rev hang. Post by gabemathis1 » Sun May 29, 2022 9:45 pm. Rev Hang. But I do enjoy the horsepower advantage of my current LS3 V8! Rev Hang. Hi guys! I am new to this forum. They do it like this so that cruise control is smooth and smoother low rpm driving in traffic. 2000 Post Club. From all the info you've provided about your taste for mapping and hang, you won't be 100% happy with the car in stock form. Elite Sponsor. I'd like to try this soon on a '23 Crosstrek. ↳ S2000 2006-2009 Americas/Europe/Asia; ↳ TL 2007-2008; ↳ TSX 2004-2014; Traction Control; 9th Gen Civic General Section. Sent from my iPhone using Tapatalk Pro. It "lessens" the HANG and "cures" the OVER-run. Integra23 Senior Member. I love the car but holy the rev hang is annoying. M. I had a standard 2018 LX Coupe before I got the Si and the LX didn't have the rev hang. Members Online. J. Im old school, im only 29 but i love the feel about old school cable driven gas pedals, i dont like the feeling of a pedal controlled by a computer. Example; lancer evo rev hang. optronix Senior Member. It’s 💯 % worth it to get over the lackluster CVT. It feels like the rev-hang-delete doesn't really kick in until 2k RPM. Now im stuck with rev hang which i cant seem to get rid of, the usual tricks for ms41. I miss that car as the revs just drop like a brick on upshifts. ) to see what delay will give the best compromise between rev hang and jerky off-throttle response. come to a complete stop. My engine recently has been "rev hanging" or increasing RPM by a few hundred when lifting off the throttle to shift up or down. Clutch dampers or check valves or a DMF can hinder the clutch engaging and disengaging but is not considered rev-hang because it does not affect the throttle. 1; 2; First Prev 2 of 2 Go to page. Hard to discover that when the rev hang is so severe, but it’s there, and it does a terrible terrible job. AP2s have a clutch delay valve and a heavier flywheel than an AP1. I'm guessing that is exactly what you experienced, @planedoc, and it was pretty bad. There was no rev hang issue on the S2000. 793 posts · Joined 2011 Add *03' S2000 *Porsche Turbo S *12' Pilot EX-L. Newbie: Joined: Tue Nov 21, 2017 7:56 pm Posts: 80 Hey, not too sure if this is the right way/place to post this, but I was doing some research on removing throttle rev hang in an 08 STi. 1y. A custom tune can get rid of that, too. Like the integra b18a engines, None of what you mentioned were even factors for the 6500 vs 9000 rpm rev limit, Just picked up a manual transmission model and noticed HORRIBLE rev hang. It also calculates exactly what rpm you’d need to be at during once the upshift was initiated. There’s many threads on this Anybody else notice that the rev tends to hang at whatever RPM you're at before you engage the down gear? I noticed it happening, not everytime but often enough to notice. R+ RPM display “catching/hiccup” at 3,300-3,400rpm. My car has a bit of a rev hang, making1st to 2nd a little tricky. I’m noticing this car does have a horrible rev hang in imt compared to it being turned off. Also, the Overrun Fuel Cut delay doesn't go down to 0. Look up all your favorite cars on google. The computer controls the throttle and fuel injectors in this process even if you have no pressure on the accelerator pedal. I had an AP1 S2000 for a while and always wanted an 06+ car. It happens when shifting more than 50% throttle above 3. The last rev-hang free manual I had was my 2000 MK4 VW Jetta 2. I had a friend drive it, and he was showing me how the revs drop depending on the clutch pedal position. A KTuner and lighter flywheel aren’t going to fix your problem in the long haul. The hang has to do with emissions. I don't mind it. I have been trying to find posts online about this oddity with my FL5 CTR. 0 Reply. Drivetrain Problems Hey all, I’m looking to get an 11th gen Si and as the title suggests, I would like to know how bad or comparable the rev hang is compared to the 10th gen. 4; It seems that sometimes under normal acceleration (shifting around 3k) that when shifting from 4th to 5th there is a rev hang. I told there already an TSB Update that fix this a bit? I got CMD 20psi Canned Tuned Map, HKS BOV cold side, Intake Silencer deleted with K&N drop-in Filter. Currently using Kutner on my car, allows you to adjust the rev hang to your liking, I'm at 10%. This I imagine is typical rev hang, I just wanted to report the issue in case a fix comes out from honda. Only when the rev hang stops, then a lighter flywheel will make the revs drop faster. It’s the easiest solution to the problem manufactures are tackling—burning off leftover hydrocarbons by slowing closing the electronic throttle body via throttle mapping. 7 posts · Joined 2011 Add to quote; Only show this user #1 · Sep 7, 2011. 5 sec or so) The rev hang doesn’t even phase me anymore and I’ve yet to do any tuning. 3 5speed I've been battling a weird rev hang issue with. Drive them, dealers give out free rides every day. The consensus seems to be that the LX MT owners, including myself, don't experience this at Man more and more I keep reading the Steeda tunes get rid of the rev hang, yet mine still continues with the Lund tune. Dual mass flywheels are inherently heavier than single mass flywheels. 1 The s2000 engine is bespoke, jewel of engine thats almost single pourpose. Likes: Jabbit and dhminer. Because I’m driving this car more. At lower RPM it may just hang at that RPM before RPM starts to decent. 5 - 2k rpms. I currently own and drive a 2023 Subaru BRZ with the 6 by any chance does anyone else experience rev hang when you switch gears? i have to v4 coupe . Other mods are a deleted exhaust and The rev hang is built-in intentionally to avoid spike in NOx emission resulting from sudden leaning of fuel mixture. "Rev hang" in 2015 WRX context is your engine rpm not dropping immediately(rpm stays there for 1. In addition, the car takes forever to switch from closed loop (eco) to open loop (performance) fueling modes. Your STI has better feel, so does a Miata or an S2000 but it’s not as bad as a Yugo or a Wrangler. Compared to The Honda k20 who barely has rev hang and that’s before someone plugs a k tuner and eliminates it. Even if he had it idling over 1k rpm it wouldn’t cause a misfire. Save Share Reply Quote Like. Would the base timing being set at 12* cause any issues? I find when i slow down my rev's will hang at like 15-1800 rpms until after a couple seconds of being stopped then it will drop to its normal 800 ish rpm idle. Rev hang was miserable. I own an ND Miata and it really is that good. Yujin Posts: 3 ↳ 06-09 S2000 Specific; ↳ TL Platform; ↳ 07-08 TL Specific; ↳ 09-14 TL Specific; ↳ TLX Platform; ↳ 15-20 TLX V6; ↳ I always had cars with MT and I really like my manual Golf. Drives: 2016 BRZ, 2005 Honda S2000. I normally just enable Cruise Main to turn on rev hang in low speed areas, such as neighborhoods. Any help would be greatly appreciated. A fast throttle close increases oil vaporization and oil usage. 2004 Honda S2000 2014 Honda Fit Sport. I have the TSP Stage 1+ tune which disables rev hang but tunes the throttle in a way that it is really smooth when shifting fast. Mathew James Friesen. But lately, I've gotten used to not having rev hang and I haven't been jerking/bucking around when going on/off throttle. 2 posts • Page 1 of 1. As we all know, the rev hang for the 5 speed manual transmission is extremely annoying, especially at higher RPMs. I've heard this can be fixed simply by using Cobb's AP You can get Ktuner or Hondata and rev hang delete that way. 2012 TW Si Coupe Invidia Q300 cat-back, Injen CAI v2, Hondata Flashpro, Eibach Pro-kit and 15 mm wheel spacers, roof wrapped with 3m carbon fiber vinyl. true. Sort by Oldest first Oldest first Newest first Most reactions. Disable the rev hang. if you are used to driving a car without one they are annoying as hell, as it slows down shifts, combined with rev hang, it makes driving an Si less than it could be. yea, unfortunately, rev hang has been with us, due to EPA regs, since at least 2005. I read some information on here about using Hondata to enable a specific tune only in sport mode, for example +6 PSI when in Sport Mode. follow ft86club on our blog, twitter or facebook. Apr 16, 2022 #3. That helps, but that does not delete rev hang like it sounds. This table I have only slightly messed with in order to get more rev hang and for Antilag. Aug 25, 2023 #2 McSwine said: How You never really notice until you start spirited driving. I did do a search but no real difinitive answer. Hello, I was curious if a 'disable rev hang' option is still in the making for the 11th gen Si. I found that to be a bit difficult consider I am still learning manual. The Civic is actually the first that I've really experienced rev-hang right away. 225 votes, 543 comments. 5L. I found one come up at a great deal and test drove it. so, I've been searching these forums as a guest and F20 Rev hang while shifting? I just got an F20 116i with the 1. 0T rev hand is cause by the dual mass flywheel + pressure plate, which weigh a combined ~29 lbs. This 2. When you plunge into the Honda S2000, you'll quickly discover that its heart lies in the impressive high-revving F20C engine. I test drove a 2012 VW Golf R, which did not have the rev hang problem, and it was very easy to shift smoothly. Civic R18 2006-2015: Civic Si 2006-2011: Civic Si 2012-2015 If you despise rev hang enough for it to be a deal-breaker in your next new-car purchase, we suggest going for a car with direct injection. I cringe to hear new honda owners grappling with the same "rev hang" issue I thought was hindering my ability to shift quickly for years and hear people blame their ECU/PCM programming and them not be totally satisfied with the new vehicle. Also, I can manipulate my truck to reduce rev hang a bit by "dragging" my shifts, as in letting go of the throttle while still in gear and pressing in the clutch a moment later. ↳ S2000 Platform; ↳ 06-09 S2000 Specific; ↳ TL Platform; ↳ 07-08 TL Specific; ↳ 09-14 TL Specific; ↳ TLX Platform; ↳ 15-20 TLX V6; ↳ 15-20 TLX 2. There will be less hang but it will be a rough transition off-throttle when the injectors shut off, especially in the lower gears. The hondata reflash fixed it tho. Thank you. Top. Rev-hang's relevance is inversely related to the quality and strength of your transmission's synchros, and your willingness to make them work. Rev hang makes the car drive pretty bad. This sounds amazing. Anyone have a similar issue and was able to successfully address this via flashpro? Thanks! Does the s2000 have any rev hang issues? No rev hang, just rev. my cars throw out bearing also started to make a supercharger type whine noise the same time this happened. Rev hang is an annoyance, but you get used to it. I have also noticed, that the update may have removed the rev hang issue however I am more than certain the car is now quieter. Open menu Open navigation Go to Reddit Home. I have a 2007 VW Golf (Rabbit) 5 speed and it has the worst rev hang you can imagine. Yes you can shift and let the clutch engagement take care of everything but it is unnecessary wear and harsh (at least for me). Second part - rev hang actually makes it worse because it's artificially stopping the engine from slowing revs when you lift off the throttle. It really is What settings would I have to change to eliminate rev hang on my 09 manual v6 Accord with my KTuner end user flash kit to eliminate rev hang? Top. JamesAtCT Discussion starter. Even DCT is not as smooth as a hydraulic automatic. And I will. Anyone know a fix to this rev hang issue when the shifter is in gear but clutch is in? If I am coming to a stop and clutch in, the revs will often time hang at 1. When a clutch change is due, you could easily swap to the AP1 parts if that's what you prefer. More often, the rev hang is an acceptable length. Almost like to remove the rev hang issue they dampened the revs. It's not doing what you expect it to do. The rev hang seems to go away when the car is in neutral and I just rev the engine. I have been trying to tune out rev hang for a few years now, on and off, but was not able to achieve the changes I was looking for until very recently. Messages 2,354 Likes 2,768 Location Burlington, NC, USA. When shifting up at normal driving pace (not racing, etc) consciously wait for the revs to lower before letting off the clutch. Woooo ok good , my 8th gen had rev hang & I didn't like it to much. 2002 Honda S2000 - Silver with Blue and Black custom interior. It shifted fine without those things. I wouldn't concern myself with it. The Rev hang doesn't seem to be as annoying when i do that. I legit have to clutch for a couple seconds for the rpm’s to drop to the appropriate amount for the next gear. @Octal450, would this improve the rev-match downshift behavior?Anytime I do a rev-matched downshift with the intention of decelerating/braking, it seems Rev Hang : We're not alone! Jump to Latest 21 - 40 of 50 Posts. It would over rev when changing gear (mine is a manual). When that Software Update Program is installed it WILL "cure" the Rev Hang/Rev OVER-run issue. I have ridiculous rev hang between shifts and I've replaced, checked, and adjusted everything. Posts: 904 Thanks: 41. This is my second S10 ZR2 but my first manual one. Also will running 87 cause knock with the tune as the website recommends 91. Sort by So a few months back I mentioned REV HANG to my dealership after a few occasions where it would rev a good 500k+ at times when you depress the clutch during acceleration. What irritates me to no end is the bizarre throttle response, I’ve never owned a vehicle that was this hard to rev match downshift, between the unpredictable gas pedal sensitivity and the I just saw a video of the HB MT and I couldn't believe what I was hearing. Get app Get the Reddit app Log In Log in to Reddit. Put a deposit down for an i20n :) The main criticism I hear is about rev hang, does anyone know if you can get a tune to fix that? Skip to main content. However, I wouldn't let this affect your purchasing decision. It only affects manual transmission vehicles. The S2000 does have some major advantages though; it has a cable throttle, and the little bit of rev hang the ND is pretty noticeable if you drive them back to back. When slowly coasting in slow traffic with foot off the accelerator, in gear and clutch depressed, the engine would rev up to about 2200, hang for a bit then drop down. Producing between 237 and 250 horsepower, the F20C can achieve peak power around 270 Someone on here requested a video of the rev hang vs no rev hang in the Si so figured I'd upload a video of each. Practice and timing are what’s going to fix it. Then, just disable it to turn rev hang off when I'm out on the street. I found couple Page 2- Does the BRZ/FR-S suffer from rev hang? BRZ First-Gen (2012+) -- General Topics. @future-next-gen-s2000-owner said in If you complain about rev hang on modern stick shift cars, you actually just suck at Rev hang driving me nuts. Did you know much about rev hang before watching this video? 18. If you have rev hang with MHD then I guess it doesn't overwrite the so called parameters that cause the rev hang. I've told you where to test drive one to confirm. Same issue; buttery smooth gearbox, but the combination of rev hang and clutch delay valves make people who have been driving stick for 20 years look like theyve barely cracked 5 minutes. I have a 2000 regular cab short bed 4. I tested between 300-400 vehicles per year when I tested vehicles for Motor Trend magazine and I learned to adapt to many different vehicles weird characteristics so nothing bothers me. First part - not all DBW cars have rev hang. KTuner Site Admin Posts: 3837 ↳ S2000 Platform; ↳ 06-09 S2000 Specific; ↳ TL Platform; ↳ 07-08 TL Specific; ↳ 09-14 TL Specific; ↳ TLX Platform; ↳ 15-20 TLX V6; Easiest way of getting rid of the rev-hang in ms41. r/S2000. I'm having that same problem, took an exit from freeway then neutral rev hang around 2-1,5xx rpm until the vehicle completely stop then it would drop to idle. Makes a smooth quick shift up all but impossible. 5 to 2k, sometimes even climbing without throttle input (only if I stop to observe, I always throw it in second and start releasing the clutch to drop to idle) anyone else deal with (EDIT: Found a better table to use, details on next page) It works fantastic, car is much more fun to drive now, can shift way faster without burning my clutch. A snap-shut throttle causes an immediate spike in crankcase pressure, which increases the rate of oil vaporization in the crankcase. Save Share I feel pretty dumb for asking but would this Electronic Throttle Controller from TOM's help with the rev hang? I've noticed that when up-shifting there are times that the rev hang is so long I can feel (something) with the clutch as I let off My manual R has the rev hang every now and then this after I replaced the PCV. Post subject: Re: Throttle kick, rev hang. 2123 posts · Joined 2008 04' S2000 Pearl Yellow. Only works if you're shifting slow, which is annoying during spirited driving. lgk5 Posts: 1 Joined: Tue Mar 01, 2022 9:17 pm. I read that this is an emissions issue programmed into the ECU. I just got an 18 intake manifold, so I'll try to tune it out when I get a tune to match. 0 dont work the same on 41. Top down vtec on a nice evening is an experience that’s hard to match. Out of all the standard cars I've driven (and I've driven quite a few), the Si is the worst driving one due to the rev hang. Car was very annoying for me to drive stock, it's better with the Lund tune, but still not perfect. OP . Manual is just never going to as smooth as an automatic. First Name Matt Joined May 1, 2023 Threads 1 Messages 75 Reaction Rev hang is to ensure what fuel is left in the cylinder gets completely burned when you clutch in to shift in order to reduce emissions. The only thing that’s weird is the gearing - if you grew up driving cars from the 70s-90s - where the 4 speed manual was king (late 80s forward it was a 5 speed, but really the 5 speed was a 4 speed with overdrive - so the ratios were still that of a 4 speed - if that makes sense. Sticky Throttle/Rev hang (manual) When I let my foot of the gas to upshift, car usually revs an extra 300-500 rpm @ 3k before dropping for about half a second, and gets worse the higher the rpm. On the rev hang delete for the SI, I cannot seem to achieve this level of smoothness. Note that not all vehicles may have these options - if the options are missing, then it could be that those vehicles do not have the ECU behaviour which causes rev hang hey guys I bought a genny coupe a couple months ago it isn’t tuned just has a couple mods on it and it’s got the longest rev hang I have ever seen. It's on every vehicle and doesn't bother me. 06 RSX-S slight rev hang Jump to Latest 2. All the weird stuff DBW does is intentional by Honda and not a result of it being an indirect connection. Post by lgk5 » Tue Mar 01, 2022 9:18 pm. Rev hang, also known as throttle hang or throttle lag, refers to the delay in the engine’s RPM dropping back to idle after the driver releases the throttle pedal. The revs drop like they should - it's an amazing contrast to the usual rev hang I experience while driving. Posted: Fri Apr 17, 2020 4:14 pm . It's pretty much not noticeable at all and no rev hang to speak of. If you have the later revision BMW software which added the rev hang then I can see why JB4 would cause a hang since its a piggyback. Seems like majority of 2015 WRX manual transmission owners are experiencing this rev hang that causes jerky shift from 1st to 2nd gear. So to anyone with an ECU tuned for an auto in a manual-swapped car, now you know! Reactions: Hot_tub and bmdubya1198. As far as rev hang it’s overrated. 2004 Honda S2000 These cars were fun and engaging to drive due to the heavier clutches with more pronounced engagement points, lack of rev hang, and more solid feeling shifters especially the Honda S2000. High Idle/Rev Hang and Rise, help! Jump to Latest 43K views 10 replies 3 participants last post by JamesAtCT Sep 15, 2011. I was so put off by rev hang in the Si, that I considered it a deal breaker -- and I'm partial to Hondas. It reduces it slightly, but not enough to say it's gone. The rpm's stay at 3000 for a second after my foot's off the gas. Rev hang when going up through the gears. Thread starter Hondata; Start date May 26, 2018; Watchers 10; Tags ecu fk8 flashpro tuning; Prev. This creates the sensation of "Rev Hang", a nickname that has been rightly assigned to this behavior. You can, but you must change your technique and use the pedals like someone who's driving for the first time in their life would. I have a 2013 Focus ST and the rev hang can be extremely variable. So if the type r happens to have it , the rev hang doesn't really bothers me because i know that there's no such thing as a " Perfect Car " especially for a mass production car. 'Rev hang' is the common term for when the engine speed does not fall immediately when shifting. Hello all, I have searched high and low for a solution to this problem on this and other forums. What Is Rev Hang And How Does It Ruin Manual Transmission Shifting?Sponsored by Advance Auto Parts - https://bit. But now when I drive off from first and then press my clutch in at around 2500rpm, the rev will hang there for almost 5 seconds before it even starts to go down. It'll be a much better driving experience. View all 17 replies. This car is no Honda S2000, that's for sure. You can test different values (20ms, 30ms, etc. Along with other emissions control devices it may make it more or less apparent. When you release the accel pedal and push in the clutch, the engine RPM does not immediately begin to decline; the computer decides to keep the throttle partly open for another fraction of a second, so the RPMs stays the same (or increase slightly). r/i20n A chip A close button. Go. Changed DISA and ICV, got a tiny bit better but no change. 2, ive tried adjusting "Ignition retard decreasing tps- step size (ect compensation) but even then it isnt consistent enough. Slow with the cable actuated throttle. i put it in neutral or b. User Name: Remember Me? Password: Register: Garage Community: Calendar This did get rid of the rev hang (yay!). 0-liter powerhouse boasts a standard rev limit of 9,250 RPM, with the potential to reach up to 10,000 RPM through considerable engine mods. pickler Post subject: Re: How to get rid of "Rev Hang" Posted: Fri May 08, 2015 2:09 pm . It seems that the Dealers are not made fully aware of all these ECU Program Updates - and they have to connect the MVCI Tester to your car for it to show that your car/ECU needs it. Joined 2009 S2000, 2013 Daytona 675R, 2018 Civic Type R Vehicle Showcase 2. They will stop hanging if a. Experienced: Joined: Fri Mar 12, 2010 10:19 am Posts: 202 tsenhc2002 wrote: foxbat wrote: The story is that after I set a throttle kick, I reset the ECU so when I start the engine rotational idle would kick in fine, stabilizing idle rpm at around 2000. I wanted to share my knowledge / experience on my 09 It's just I read some report that they don't experience rev hang so I tried to mimic a bit of their calibrations. But there's one very annoying issue with electronic throttle body control which creates rev hang and causes terrible jerkiness during the upshift which is most noticeable going from 1st to 2nd and from 2nd to 3rd gear. However, lowering these tables introduced a lot of clutch slip (I'm seeing slip values over 200 on both even and odd clutches during spool up @ 2500-4000 rpm and 90-140 load, especially at partial throttle). Also, the S2000 looks cooler. When the AP2 S2000 was released in 2004, Honda added the clutch delay valve to the clutch slave cylinder, in which many owners didn't like and replaced or took apart their clutch slave cylinder and removed the delay valve. It eliminates all the annoyances of DBW. It’s got a close ratio gearing as well to get the most performance out of Set the overrun fuel cut delay to 10ms. Sometimes it jolts forward in the next gear because it stays on the throttle (electronically). Sometimes if I wind it out in 1 or 2, it hangs for several seconds and never wants to come back down. I got the truck for free from my work it was a shop truck it's whole life and sat for about 6 months before i got it. I have been interested in the rev hang since 2012 and managed to cure it in 4 cars I owned by installation of a home-made electronic circuit I And then I noticed an awful rev hang happening only on cold startups. It would cycle like this repeatedly until I took it out of gear. There is still a little delay under 1500rpm but I suspect that isn't rev hang but something else. At higher RPM after the clutch has been engaged there is a slight upswing in RPM (Red Arrow) due to the throttle remaining open this way. only time rev hang is there is below 2k rpms or if cruise control is enabled (not set, just enabled). Joined Apr 15, 2023 Threads 23 Messages 1,380 Reaction score 2,021 Location MD Car(s) 2024 Integra Type S, 2023 Macan GTS May 11, 2024 #9 Fred 930 said: I will argue with your about this rev-hang problem. Revs hang because the car is trying to burn fuel as efficiently as possible by letting the car burn what's left in the combustion chamber rather than just cutting ignition right away. I drive pretty slowly most of the time so I just start to back off the throttle slightly before I push in the clutch. Post subject: AZ1G202I Definition Confirmation - Rev Hang Related Tables. Location: California. I see no reason why other manufacturers cannot avoid the rev hang problem and achieve the same smooth performance. Definitely makes the R18 engine more fun. Especially at 3k+ RPM. Sure mechanical rev hang can still be an issue, but the brutally long rev hang that most modern cars suffer from has been programmed into the throttle mapping from OEM. If I cruise down the freeway and clutch in but leave the car in gear it will rev hang at 2k Rev hang helps with driving smoothly as long as it isn’t excessive. Save Share That's what I heard as well. I also have a 2010 Forester with the same symptoms. I hate it when the car does that! Looks like if I'm not able to shift correctly! Very anoying! PointByPatrol Senior It doesn't have anything to do with rev hang. Mechanical Problems & Technical Chat. Correct Assessment of Rev Hang Far too many folks believe the dreaded VW 2. Thanks! Share Add a Comment. Thankfully, it can be fixed by flashing the ECU. My wife's 2005 TSX had awful rev hang, made shifting smoothly difficult, especially 1st to 2nd. Reactions: mattaleo. sometimes it takes about 5 sec to drop to idle. So cars that didn't have rev hang while stock would not have rev hang when tuned (JB4/MHD). While my changes were to a 2010 Forester with the EJ253, this change should also work on many other Subaru vehicles. Posted: Tue Jul 27, 2021 9:20 pm . 00 at 60 and 8. (Yes, I could have used a aftermarket tune to eliminate the hang, but didn't want to create possible warranty issues down the road. that-freakin-guy • '06 AP2 S2000 • Second, the rev hang can be a bitch. Ive recently converted successfully to ms41. The idle is absolutely perfect though For those unaware: rev hang is a software feature that the manufacturer adds to reduce emissions. Okay, I think I've done enough search for 2015 WRX rev hang problem. I do my best to ignore it, but sometimes I'll clutch in too early when coming to a stop and the rpms hang at anywhere from 1. A “rev hang” would be caused by something like too much air going through the IAC or TB but since it’s misfiring there’s something else going on. With an the intake muffler removed gives some more enjoyable sounds. I was worried about the rev hang after that experience in a civic. 5k ish RPM, and when i let off the gas to come up to a light or something, the "lurch" of the rev-hang delete drives me nuts. 2023 Type R, 2006 s2000, 2022 Ram TRX, 2005 srt-4 Build Thread Link. You'll enjoy the car a lot more if you disable the rev hang. I had a 10th gen si coupe (2020) and loved the car, but hated the rev hang so much I sold it. Rev hang is obnoxious. Does anyone have this issue and how did you fix it? 2014 Fit, 2024 Integra Type S, 2004 S2000 Jun 12, 2024 #2 Same thing for me. Rev hang is just something you have to deal with unless you want to modify the vehicle. It will hang at 6500 RPMs when I am accelerating hard and shifting through the gears. Drives very nice and smooth but one thing is bothering me a bit, and that’s rev hang during shifting. Car owners minding, disliking or even hating rev hang and wishing to fix their cars are being offered various "tunes" predominantly designed to increase power and improve throttle response, torque delivery/spread, drivability and provide other advertised Yeah, I think it's the rev hang as well. . Ideally, if this function could allow the car's rev to hang a bit more, then I would not have to keep my foot on the throttle while shifting. 9% of the time I shift, I'm above 3k rpm, but when going around a bend at 35 or 45 MPH in the city, very often i'm at 2. Once you reach 4k plus (especially in 1st and 2nd gear) you have to wait for your rpms to drop to shift smoothly. While I have found some information that seems to be pointing me closer to an answer I have so far not found what I am looking for. I driven much smaller engines that feel better around town and down low. Previous Rides: 2016 VW Golf Mk7 GTI Clubsport 2011 VW Golf Mk6 R 2007 VW Golf Mk5 GTI 2013 VW Polo 6R GTI 2011 VW Scirocco GT 2. Jun 29, 2019 Posted by u/bogartthegod - 3 votes and 8 comments So, searched Tuner Help & found Rev Hang Disable (yay!) but in trying to find the rev hang disable feature as described in Tuner Help, ↳ S2000 Platform; ↳ 06-09 S2000 Specific; ↳ TL Platform; ↳ 07-08 TL Specific; ↳ 09-14 TL Specific; ↳ TLX Platform; ↳ 15-20 TLX V6; With rev hang software, the ECM keeps feeding fuel to the engine during deceleration to help prevent NOx formation. When doing this a few times I have found I can train the computer to drop the rpm sooner, however I have also noticed turning on the A/C can induce rev hang to return. It makes it tricky to shift smoothly without wearing clutch. That's where the flywheel comes in. I would also like to know why the 'overrun throttle compensation' field is inaccessible and if there is a way to adjust it. I love the Si but because of the rev hang, I sometimes wish I kept the LX. Clutch is decent. Definitely still there. So far, from searching i found: - Aftermarket BOV help Rev Hang (no in my case? Still Rev Hang It shifts gears just fine, no heavy knob either, actually I have a lighter knob. Anyone else having this problem or knows how to solve it? The rev hang (not sure about recent 2-liter though, talking about ND1 experience) and wire throttle make the input less clear You can rev the hell out of the S2000 and be nowhere near triple digits. Never happened before i had the cams put in. However, the throttle is definitely more responsive. It is an emissions feature that is present in nearly every manual transmission equipped vehicle since the mid to late 2000's. 00 at 82) No other modifications needed. What is the best way to shift smoothly without hindering acceleration? My friends suggest keeping the clutch to the bite point for 1-2 seconds after shifting to 2nd, and continue gas. I'm wondering, is it possible to push that to 3k RPM? 99. Rev-hang is the intentional engineered delay in closing the throttle after you have let off the gas and pushed in the clutch pedal. Doing some reading says I’m not the only one, and I can live with it in order to have a manual. Thought it was just my car, so I drove a new Honda civic hatch and the rev hang was even worse (but the civic was much less punishing on rev-mismatches, for whatever reason). This phenomenon is commonly experienced in vehicles with electronic throttle control systems, where the engine’s computer controls the throttle opening rather than a mechanical linkage. 0TSI 2010 VW Golf Mk6 GTI Anyone else got the problems with Rev Hang on the 2011 Model? Mine is made on April 2011. So less pops and bangs. 5k. Mods are in my sig. My rev hang was a little more exaggerated than that, would also bounce a little with the clutch in . OP. Hondata Hondata. Emissions thing I guess I have to live within the 60s and 70s I could upshift smoothly as fast as you could snap your fingers. 6 3v. rev hang. Doing the opposite should give you the desired effects. 2, ported all the maps i need over. dashline79. But what if I just want to disable the rev hang completely? Can I still do that no matter under what RPMs? Best, Yujin. I've seen videos of the option being there for the k20c2 but with what looks like an American/ NA ECU. My buddy just got a 2019 Si Sedan and disabling the Yes, there's a bit of a rev hang but I don't find it troublesome. 0 without negative effects just edit the "Ignition retard - Decreasing TPS - Step Size (ECT compensation) to look like this: (image shows step sizes adjusted to 4. The S2000 has *tons* of headroom, just a narrow cabin. 7K views 8 replies 3 participants last post by bigwheel Dec 14, 2019 Not only is 1st->2nd rev hang bad in this car, it also takes some time to shut the engine off. Hopefully I can find another way as it's driving me bonkers. Easiest way of getting rid of the rev-hang in ms41. 2017 civic type r , s2000 , delsol & soon to be a NSX Jun 8, 2017 #6 I haven't noticed any of the few reviews that are out on the type r say anything about it. cqoyf bnarfsh qbgya elalt fif onecley bewcef mclxkn ottn irndo