Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Difference?

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Old

Dec 2, 2004 | 04:05 PM

#1

Thread Starter

Member

Joined: Apr 2004

Posts: 164

Likes: 0

From: W. Michigan

Car: '89 RS

Engine: 383 in progress

Transmission: TH 700-R4

Difference?

I currently have a 350 .30 over and am gettin 300+ hp out of it. I currently have the stock 2.73 non posi rear. How big of a difference should i feel going from that to a 3.73 posi?

Old

Dec 2, 2004 | 04:52 PM

#2

Senior Member

Joined: Jul 2001

Posts: 616

Likes: 0

From: Langley, BC, Canada

Night and day, passengers will grab things and scream "OH MY ***!" Im not lying, every single one. My friends, my dad, my girlfriend, my uncle, my cousin, co workers. Everytime.

Old

Dec 2, 2004 | 06:37 PM

#3

Thread Starter

Member

Joined: Apr 2004

Posts: 164

Likes: 0

From: W. Michigan

Car: '89 RS

Engine: 383 in progress

Transmission: TH 700-R4

HaHa great, I could get used to that!

Anyone else do this swap?

Old

Dec 2, 2004 | 06:41 PM

#4

Supreme Member

Joined: Apr 2004

Posts: 3,067

Likes: 0

From: Staunton,illinois

Car: 1966 impala , 1998 sebring vert,1978 buick regal turbo, 1991 chevy silverado 3/4ton 4x4 lifted

Engine: 283, 2.5,3.8 turbo 350

Transmission: powerglide,auto overdrive, th350,4L80

Your seat of the pants butt dyno will register pretty high with the change in gears...

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