89 trans am 350 tpi stock
Joined: Mar 2017
Posts: 4,255
Likes: 427
From: Portland, OR
Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: 89 trans am 350 tpi stock
Eh - around 225 - 235 at the crank. Being generous.
GD
GD
Joined: Oct 2001
Posts: 12,211
Likes: 1,135
From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: 89 trans am 350 tpi stock
If its a dual cat car it was supposed to have 235.
Joined: Mar 2017
Posts: 4,255
Likes: 427
From: Portland, OR
Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: 89 trans am 350 tpi stock
Yeah it depends on the option packages. Not that there's a great difference. Good numbers for their day. Pretty pathetic now. There's PLENTY of V6 minivans with more HP..... actually most of them I think. They just don't have the potential of an F body. At least not for the same dollar-per-HP figures. The attractive quality of the F body is the inexpensive upgrade path being it uses essentially 1950's technology.
Oh - and life's too short to stay stock. So those numbers mean nothing.
GD
Oh - and life's too short to stay stock. So those numbers mean nothing.
GD
Joined: Mar 2014
Posts: 4,553
Likes: 806
From: South Ms
Car: 89 Firebird
Engine: 355 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt.Posi-3.73s
Re: 89 trans am 350 tpi stock
It's always been funny to me someone with a 230 horsepower car will completely dog out a 170 horsepower car when honestly they are both pretty tame. Don't get me wrong I will never replace a 305 with another 305 because I love the torque of the 350. I also think all these Third gens should have had 350s. At east the 4th gens got that right.
Member
iTrader: (4)
Joined: Aug 2017
Posts: 477
Likes: 41
From: Toronto, ON
Car: '89 'ROC
Engine: 5.7L
Re: 89 trans am 350 tpi stock
Stomp it off the line at a light and enjoy the torque dude. Who cares about HP. Unless you live next to a track or regularly race Acuras on the highway the hp starts mattering right around the point where the cops take your car away.
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