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-   -   So rev matching a downshifting, good? (https://www.cobaltss.net/forums/drivetrain-79/so-rev-matching-downshifting-good-255992/)

StevoElSupremo 07-13-2011 08:46 PM

So rev matching a downshifting, good?
 
so I've been rev matching all the time now (clutch in, neutral, blip, blutch in then gear) <- to my knowledge thats rev matching..

well anyways I can do it now with any gear so that you dont even feel it its so smooth, I'm having a lot of fun downshifting to lights and such, but I heard it wears your trans really fast Downshifting all the time..

is this false? am I good as long as I rev match when I downshift?

TommyP 07-13-2011 08:48 PM

yes, that's how you're supposed to drive. Rev matching saves wear on your clutch and tranny, and you're supposed to rev match down just incase you need to move quickly for whatever reason.

Omnigear 07-13-2011 09:08 PM

you wanna save the clutch, dont use the clutch pedal unless takin off from 1st.
rev match w/o the pedal ^_^

JustACobalt 07-13-2011 09:10 PM


Originally Posted by Omnigear (Post 5910757)
you wanna save the clutch, dont use the clutch pedal unless takin off from 1st.
rev match w/o the pedal ^_^

heard that was really bad on the synchros. i honestly dont downshift slowing down at a light unless im making a turn, then its nice to already be in 2nd as im turning

Refractor 07-13-2011 09:13 PM

I almost never downshift. I usually just roll to a stop in neutral or with the clutch pedal in.

Omnigear 07-13-2011 09:14 PM


Originally Posted by JustACobalt (Post 5910760)
heard that was really bad on the synchros. i honestly dont downshift slowing down at a light unless im making a turn, then its nice to already be in 2nd as im turning

how is it bad for the syn? your matching the speed so that it engages when the eng and tranny match.....

StevoElSupremo 07-13-2011 09:15 PM

well I dunno, downshifting is fun, plus I love how smooth I got it down now :)

but yeah I just hate that grey area when you're in neutral, where, you're too slow for 2 and too fast for 1...

upon further reading it appears that I'm doing something called "double clutching" wtf is that? is that bad for the car? thats what I thought I was supposed to do?

themacguy 07-13-2011 09:19 PM

Rev matching sucks with the stock pedal box. Need PRS to release his new gas pedal for proper heel and toeing.

StevoElSupremo 07-13-2011 09:28 PM

I got some bolt on pedal covers (I drilled them in) and I can heel toe with them.. sorta, its more like left side of foot brake/right side gas lol

BPacak 07-13-2011 09:29 PM

ive downshifted since day one.

heeter_33 07-13-2011 09:30 PM


Originally Posted by StevoElSupremo (Post 5910775)
but yeah I just hate that grey area when you're in neutral, where, you're too slow for 2 and too fast for 1...

Frig i hate that too! haha. I swear it always feels like Im in that position too.

PenguinPIE 07-13-2011 09:32 PM

downshifting is definitely good when it is done correctly

themacguy 07-13-2011 09:34 PM


Originally Posted by StevoElSupremo (Post 5910811)
I got some bolt on pedal covers (I drilled them in) and I can heel toe with them.. sorta, its more like left side of foot brake/right side gas lol

Pics? I've seen wooden blocks used.

BLue NoTe 07-13-2011 09:35 PM

Downshifting is part of driving stick. Double clutching done right is nicer to your synchros than single clutching. Back in the days before synchros you HAD TO double clutch, synchros were introduced to emliminate the need for it. I've double clutched ever since I first got it perfect ;)

TommyP 07-13-2011 09:35 PM


Originally Posted by StevoElSupremo (Post 5910811)
I got some bolt on pedal covers (I drilled them in) and I can heel toe with them.. sorta, its more like left side of foot brake/right side gas lol

That's exactly what I do with the stock pedals, it kinda works, I'm getting better with practice.

themacguy 07-13-2011 09:38 PM

I rev match but it's kinda like a three legged tap dance.

BLue NoTe 07-13-2011 09:38 PM

I feel like, for me at least, the pedals are perfect for heel toe. My 02 mustang had the throttle pedal like 3 inches below the brake, that shit wasnt happening

StevoElSupremo 07-13-2011 09:40 PM

ah I <3 my stick shift, its my first standard car, only been driving stick for a year, and I never want an auto again lol.

but yeah these pedal covers are wide and kinda taller? I dunno, I'm able to use half my right foot for brake/gas.

but yeah, I have these underarmour running shoes and there soooo much fun to drive with, and I LOVE downshifting and stuff, it just makes driving a blast. All I really wanted to know was if I "double clutch" and rev match perfect, am I really going to damage anything? cuz I've kinda fallen in love with "REALLY DRIVING" my car :)

BLue NoTe 07-13-2011 10:01 PM

rev matching is done to prevent damage. If done perfectly it provides a jolt free shift and it puts you in the optimum gear for accelerating out of a corner. win win win

BartSS 07-14-2011 11:27 AM

on my revmatches i push in the clutch drop a gear and hit the gas at the same time and release the clutch... no point of hitting the clutch twice

BLue NoTe 07-14-2011 11:48 AM

If saving milliseconds on the track is priority than yes single clutch is faster. On the street double clutch is nicer to my daily drivers synchros

outtamymind 07-14-2011 11:59 AM

i know its not a cobalt but my grandfathers old '89 international big rig with over 5 million miles on it was still on the stock clutch. the old man never used his clutch other then to stop and go, every other time it was rev matching and double clutching.

i rev match downshift mine and she's still going strong at 108,000km's

OBZ 07-14-2011 12:11 PM

Heal toe shifting is actually pretty easy in the cobalt. It is more like left/right side of foot for each petal. But i do it almost always even daily driving..

As far as shifting with no clutch, that's just stupid.. sure it can be done but its not meant to be done on these cars at all! You will tear up your syncros and grind gears.. I have a CDL and used to drive a big truck.. those are made to shift with no clutch or double clutch. It's damn near impossible to shift in that regularly like a car..

JustACobalt 07-14-2011 01:05 PM


Originally Posted by Omnigear (Post 5910772)
how is it bad for the syn? your matching the speed so that it engages when the eng and tranny match.....

people dont match the speed perfectly so the synchros have to do the rest of the work. doesnt sound like much but when people do it everytime they stop for 100k miles it takes a toll

dan_white798 07-14-2011 01:14 PM

I always just clutch in, rev match, then clutch out. It seems like double clutching would take too long.


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