rochester 750

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Mar 1, 2006 | 11:18 AM

golden

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Joined: Nov 2005

Posts: 188

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From: Quebec

Car: '89 Firebird

Engine: 305 TBI (LO3)

Transmission: 700R4

Axle/Gears: 10 bolts 2.73

rochester 750

Does anybody know the horsepower gains of switching a tbi unit for a rochester 750 carb on a 305?

Mar 1, 2006 | 01:34 PM

Sonix

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Joined: Jul 2004

Posts: 10,763

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From: Calgary, AB, Canada

Car: 1982 Trans-Am

Engine: 355 w/ ported 416s

Transmission: T10, hurst shifter

Axle/Gears: 10 bolt, true-trac, 3.73

Probably nil. The TBI injection isn't really the weakest point of a TBI motor.

Mar 1, 2006 | 09:53 PM

golden

Thread Starter

Member

Joined: Nov 2005

Posts: 188

Likes: 0

From: Quebec

Car: '89 Firebird

Engine: 305 TBI (LO3)

Transmission: 700R4

Axle/Gears: 10 bolts 2.73

What is it then?

Mar 1, 2006 | 10:02 PM

Sonix

Supreme Member

iTrader: (1)

Joined: Jul 2004

Posts: 10,763

Likes: 4

From: Calgary, AB, Canada

Car: 1982 Trans-Am

Engine: 355 w/ ported 416s

Transmission: T10, hurst shifter

Axle/Gears: 10 bolt, true-trac, 3.73

cam, heads (arguably), exhaust.

Mar 2, 2006 | 05:48 PM

golden

Thread Starter

Member

Joined: Nov 2005

Posts: 188

Likes: 0

From: Quebec

Car: '89 Firebird

Engine: 305 TBI (LO3)

Transmission: 700R4

Axle/Gears: 10 bolts 2.73

thanks man...maybe I'll stick with my TBI unit , I really like how it works.

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