Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

Power shifting..

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Old Sep 10, 2007 | 03:38 PM
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Default Power shifting..

Whats the best way to go about this and the safest..? Will this gernade a stock tranny?
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Old Sep 10, 2007 | 04:11 PM
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There is no safe way about it. Its brutal to a transmission but prduces great results at the track.
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Old Sep 10, 2007 | 09:11 PM
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i did it for the first time, damn does it make a difference. you can really feel the rpms jump between shifting. but after your done you know the clutch and tranny are hurting.
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Old Sep 10, 2007 | 09:33 PM
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Plus the fact you can also dig a grave for your 10 bolt if you hook on the 1-2 shift real hard Or even hook on launch I don't powershift my car... i'd like the keep my 10 bolt in 1 piece for the time being.
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Old Sep 10, 2007 | 11:39 PM
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Originally Posted by Jon5212
Plus the fact you can also dig a grave for your 10 bolt if you hook on the 1-2 shift real hard Or even hook on launch I don't powershift my car... i'd like the keep my 10 bolt in 1 piece for the time being.
Exactly. Unless you have a beefy 10 bolt or something better I would not do it on a DD or Mid modded car.
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Old Sep 10, 2007 | 11:59 PM
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Im asking because my z is currently pretty stock. I raced a srt8 charger and had a excellent launch and sat right with him but lost by a fender because of me shifting (not power shifting) .. Granted this was only a short race threw 1,2 and right into 3rd but it pissed me off.
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Old Sep 11, 2007 | 08:15 AM
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Originally Posted by 217zenki
Im asking because my z is currently pretty stock. I raced a srt8 charger and had a excellent launch and sat right with him but lost by a fender because of me shifting (not power shifting) .. Granted this was only a short race threw 1,2 and right into 3rd but it pissed me off.
losing for free is better than winning and it costing you a ton of cash though.
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Old Sep 11, 2007 | 08:29 AM
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worth a half a tenth mayyybe at most. not worth the extra wear on your parts.
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Old Sep 11, 2007 | 10:59 AM
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I have powershifted my car for all my ET bests. I don't always do it. The first couple of passes of the day I take it easy, and work my way up to full powershifting.

I have over 350passes on my stock T-56 running everything from 12.8 stock to 10.7s with Juice to 10.4 with NA H/C now.

Its all in your technique. If you do it right, you don't hurt anything.

Having a clutch that can engage/diengage fast and precice is a big part of it as well. The stock clutch will usualy not let you shift fast enough to make a safe powershift.

After the stock clutch, I have used CARTEK clutches exclusevly.
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Old Sep 11, 2007 | 11:01 AM
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Originally Posted by cpt_bimes
worth a half a tenth mayyybe at most. not worth the extra wear on your parts.

I beg to differ. I have see myself pick up two tenths over the owners of some cars I have driven at the track because I was able to powershift and they were not.
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Old Sep 11, 2007 | 01:20 PM
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Originally Posted by WS6TransAm01
I beg to differ. I have see myself pick up two tenths over the owners of some cars I have driven at the track because I was able to powershift and they were not.
Yeah, I've seen about the same difference in my car as well.
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Old Sep 11, 2007 | 01:55 PM
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Originally Posted by WS6TransAm01
I beg to differ. I have see myself pick up two tenths over the owners of some cars I have driven at the track because I was able to powershift and they were not.
those two tenths were from you being able to shift QUICKER than them.
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Old Sep 11, 2007 | 02:08 PM
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Originally Posted by cpt_bimes
worth a half a tenth mayyybe at most. not worth the extra wear on your parts.
wtf....we are talking about powershifting here.....gives you 1-2 tenths off if you are consistant with the shifts. Maybe more...
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Old Sep 11, 2007 | 02:40 PM
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:yawn:
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Old Sep 11, 2007 | 03:05 PM
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Originally Posted by cpt_bimes
:yawn:
in all honesty, how many passes have you made in your or other peoples LSx's in order to be able to substantiate your oppinion?

I have more then 350 passes in my car, and probobly close to 100 in other peoples LSx Camars, Firebirds and Corvettes.

All have proven to gain 1 to 2 tenths from powershifting.
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Old Sep 11, 2007 | 10:06 PM
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well sombitch i may have to give the ol' synchros a workout then
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Old Sep 11, 2007 | 11:12 PM
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Originally Posted by WS6TransAm01
in all honesty, how many passes have you made in your or other peoples LSx's in order to be able to substantiate your oppinion?

I have more then 350 passes in my car, and probobly close to 100 in other peoples LSx Camars, Firebirds and Corvettes.

All have proven to gain 1 to 2 tenths from powershifting.

My cars always responded way better to power shifts, ive got it down good..


But if you Polio if you arm, lol your going to be breaking ****....You just have to do it fast, and time it good
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Old Sep 12, 2007 | 12:49 AM
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Powershifting GRINDS the gears down in the tranny. You will see when your tranny goes and you look at the parts. I stopped but you could tell I was hitting 2nd hard and 4th because the gears were getting grinded down (tranny was open because I had a issue with Reverse).


I quick shift now, let off just a bit. Much easier on drivetrain.
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Old Sep 12, 2007 | 08:15 AM
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Originally Posted by CraZee ZO6
Powershifting GRINDS the gears down in the tranny. You will see when your tranny goes and you look at the parts. I stopped but you could tell I was hitting 2nd hard and 4th because the gears were getting grinded down (tranny was open because I had a issue with Reverse).


I quick shift now, let off just a bit. Much easier on drivetrain.
I think 350+ passes says otherwize. If you powershift right, fast, and presice, you hurt less of the car then if you did not.

I keep the throttle planted to the floorboards, tap the clutch about an inch, and pull the lever. If you have a good enough clutch, that time is enough to it to disengage/engage. So your tranny will be fine it its done right and with the right equipment.

It is harder to powershift a Vette because of the shifter linkage, but its is still very posible and will show a great improvement in ET and MPH
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Old Sep 12, 2007 | 05:02 PM
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Just do it!
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