[IA] 305 TPI to 350 TPI Swap

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Jan 9, 2011 | 12:08 AM

80s Poncho

Thread Starter

Junior Member

Joined: Sep 2009

Posts: 3

Likes: 0

From: Iowa

Car: 1989 Pontiac Formula /1985 Trans Am

Engine: TPI 350 / TPI 305

Transmission: 5 Speed / 4 Speed Auto

Axle/Gears: 323

305 TPI to 350 TPI Swap

I am doing a 305 TPI Swap to a 350 TPI on a 89 Formula. From all of the reading I have done, I gather am looking for a ESC Module, Prom, Injectors, and the knock sensor for a 350 TPI. I would like to buy all of this off of the same car if possible.

Jan 14, 2011 | 09:09 AM

simz28

Member

iTrader: (10)

Joined: Sep 2005

Posts: 235

Likes: 0

From: Elgin, IL

Car: 92 z28, 07 Silverado

Engine: LS1, 5.3

Transmission: T56

Axle/Gears: 3.73, 3.23

Re: 305 TPI to 350 TPI Swap

i have a 92 tpi setup and 86 tpi setup in the for sale threads, both complete

Feb 13, 2011 | 07:08 PM

Mr Froman

Senior Member

Joined: Jan 2009

Posts: 611

Likes: 3

From: DE

Car: 1990 Firebird Formula

Engine: LB9 - 5.0 TPI

Transmission: 700R4

Axle/Gears: 2.73, LSD

Re: 305 TPI to 350 TPI Swap

What about fuel pump?

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