will a t56 hold 500hp
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Member
Joined: Nov 2006
Posts: 333
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From: northford ct
Car: 1979ta, 1981 formula
Engine: 400 sbc 403 olds
Transmission: th350 th400
Axle/Gears: 308 373
will a t56 hold 500hp
i have a 400sbc with alot of power and i am weary of the t56 will a stock one hold or should i go aftermarket?
Joined: Aug 2006
Posts: 12,807
Likes: 108
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: will a t56 hold 500hp
they are rated in torque, 450ft/lbs, so you are borderline. It also has a lot to do with traction.
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Joined: Jul 2003
Posts: 2,494
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From: Markham
Car: 1990 Camaro
Engine: 355ci
Transmission: TKO-600 5 speed
Axle/Gears: 3.73 10 bolt
Re: will a t56 hold 500hp
exactly, street or track car matters, if its seeing 5K clutch dumps on slicks it might not like it too much
TGO Supporter
Joined: Oct 2002
Posts: 9,067
Likes: 1
From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Re: will a t56 hold 500hp
Upgrade it with the Viper-spec parts, and you should be good to quite a bit more than 500hp. Lots of the LS1 guys do some aftermarket Viper-spec upgrades (billet shift forks, bigger mainshaft, stainless or carbon fibre synchros, and some other stuff) and those trans' have been good into the 7-second range. I know two guys locally who use T56s prepped that way, and one is making 500-550hp before nitrous with his LS1.
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Joined: Sep 2007
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Re: will a t56 hold 500hp
The factory rating is conservative. It is a production piece so it is possible to have one that has a flawed part, but many people have had no problems with a factory T-56 going into the 500 ft-lb range.
Thread Starter
Member
Joined: Nov 2006
Posts: 333
Likes: 0
From: northford ct
Car: 1979ta, 1981 formula
Engine: 400 sbc 403 olds
Transmission: th350 th400
Axle/Gears: 308 373
Re: will a t56 hold 500hp
my 400 has 539hp, there was a guy selling a viper modified t56 on here no to long ago i guess ill go that way. tgo guys rock thanks
Joined: Feb 2005
Posts: 410
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From: Trumbauersville PA
Car: 88 IROC-Z twin turbo
Engine: forged 383 8-1 compression
Transmission: t56
Axle/Gears: 9in 3.50's trac loc moser axles
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