Going from TH700R to Manual on a daily driver, stock HP - which one?
Thread Starter
Joined: Aug 2009
Posts: 1,972
Likes: 127
From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Going from TH700R to Manual on a daily driver, stock HP - which one?
T5 or T56 or ?
Pluses and minuses of each?
Pluses and minuses of each?
Joined: Jan 2008
Posts: 329
Likes: 14
From: Grand Rapids MI
Car: 88 IROC-Z
Engine: 6.9L TPI(FIRST) 421ci
Transmission: T56
Axle/Gears: Ford 9" Eaton truetrac 3.50
Re: Going from TH700R to Manual on a daily driver, stock HP - which one?
What size motor? How much do you want to spend?
Also do you have the tools to tune it after the swap?
Also do you have the tools to tune it after the swap?
Last edited by TORN; Apr 4, 2019 at 10:13 AM.
Thread Starter
Joined: Aug 2009
Posts: 1,972
Likes: 127
From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: Going from TH700R to Manual on a daily driver, stock HP - which one?
I want to spend as little as possible but want it to work perfectly. It's a stock 89 LB9 (TPI).
Member
iTrader: (1)
Joined: Dec 2014
Posts: 112
Likes: 4
From: Dover, DE
Car: 1990 & 1991 Firebird Formula 350's
Engine: 350 ci
Transmission: T 5 & 700r4
Axle/Gears: 3:23 & 3:27
Re: Going from TH700R to Manual on a daily driver, stock HP - which one?
T-5. easiest conversion.
Joined: Jul 2000
Posts: 6,530
Likes: 94
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Going from TH700R to Manual on a daily driver, stock HP - which one?
Use your local resources to pick up everything from a parts car. 88-92 WC T5 from a 305 car, the pedals, switches, and pigtails, 88-89 PROM (will need to !VATS) and when you're all done, keep the TCC wiring from burning on the exhaust.
Stock stuff works and would meet you needs. A 2.66 / 0.50 T56 is not what you will want to drive with a 305 and 3.42 rear. The only offset of T56 cost is fuel savings w a possibly taller 6th, so along your goals, keep it simple as stock.
Stock stuff works and would meet you needs. A 2.66 / 0.50 T56 is not what you will want to drive with a 305 and 3.42 rear. The only offset of T56 cost is fuel savings w a possibly taller 6th, so along your goals, keep it simple as stock.
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