Manually Shifting A4
Thread Starter
Staging Lane
Joined: Mar 2004
Posts: 50
Likes: 0
From: Elkins Park, PA
Manually Shifting A4 I know this has been discussed before (did search), but i would like a definitive answer from either a professional transmission builder familar with 4l60E transmissions, and/or someone at Trans-Go, with whom I can't get in touch. Will it hurt my A4 with Trans Go shift kit to be manually shifted at the track??
Thanks in advance.
Thanks in advance.
TECH Apprentice
Joined: May 2004
Posts: 387
Likes: 0
From: Cali
Originally Posted by RAN
My car has been tuned, and still shifts early on the 1-2 shift. I'm willing to try manually shifting at the track if it won't hurt the trans.
... but you'll blow your tranny if you manually shift it often. If you do shift manually, try to replace your tranny fluid often. i heard it help
I have a shift kit in mine and manually shift it all the time while I am playing around on the street. From what I read, you get more line pressure on the shifts when you shift manually. BUT when I am at the track I always leave it in drive. You cannot shift it as consistantly as when the tranny does it by itself.
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I've been cramming mine as hard as anyone can torture one ... for 33000 miles. It doesn't even know it's an automatic because I ONLY manually shift ... everytime I climb in it. It's a '99. I just had it in to the dealership for internal inspection and they told me it looks like new and fully meets GM factory spec's.
Maybe I'm just lucky it hasn't busted on me. I came on here to ask the same question tonight. BTW, it's the stock transmisison that came with the car.
Maybe I'm just lucky it hasn't busted on me. I came on here to ask the same question tonight. BTW, it's the stock transmisison that came with the car.
TECH Fanatic
Joined: Oct 2003
Posts: 1,514
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From: Long Island, NY
this debate has gone back and forth, and nobdoy can really provide a definitive reason why manually UPSHIFTING the tranny will hurt it. it's always been a longstanding rumor that many (including myself) used to believe but the more i research it, the more i find it to likely be a myth.
when i had a stock tune on a stock converter, i consistently ran a tenth or so faster manually shifting it because the stock shift point was too low.
you're not really manually SHIFTING the car so much as you're simply ALLOWING it to shift itself at whatever time you choose. obviously you're not going to be able to shift "faster" than the computer because the computer is still doing the shifting itself. (for some reason everyone argues there's no point to manually shifting because of this???
)...the performance gain is in the shift POINT, not the shift SPEED and more than one other person on here has confessed to going just a bit quicker shifting manually. (remember this is on a stock car, once you have a tune, and/or a high stall, i've found there's no longer any point to doing it).
also, the higher line pressure thing is correct. since the MAXIMUM line pressure is still controlled by parameters programmed in the PCM, i can't really see you over-boosting your line pressure by shifting manually. the benefit of slightly higher pressure is more holding power in the clutch packs (resulting in less slippage which in turn means more efficient power transfer and less heat caused by friction).
when i had a stock tune on a stock converter, i consistently ran a tenth or so faster manually shifting it because the stock shift point was too low.
you're not really manually SHIFTING the car so much as you're simply ALLOWING it to shift itself at whatever time you choose. obviously you're not going to be able to shift "faster" than the computer because the computer is still doing the shifting itself. (for some reason everyone argues there's no point to manually shifting because of this???
)...the performance gain is in the shift POINT, not the shift SPEED and more than one other person on here has confessed to going just a bit quicker shifting manually. (remember this is on a stock car, once you have a tune, and/or a high stall, i've found there's no longer any point to doing it).also, the higher line pressure thing is correct. since the MAXIMUM line pressure is still controlled by parameters programmed in the PCM, i can't really see you over-boosting your line pressure by shifting manually. the benefit of slightly higher pressure is more holding power in the clutch packs (resulting in less slippage which in turn means more efficient power transfer and less heat caused by friction).
