Changing tbi 305 to tbi 350 92 camaro rs

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02-15-2012, 11:05 AM

Joeycotton

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Join Date: Feb 2012

Posts: 1

Changing tbi 305 to tbi 350 92 camaro rs

Im thinking of changing my 92 rs 305 tbi to a 350 tbi what else absoulutly has to be changed could it be ran fine with just the swap or would I have.to change computer
and about how much hp would I gain

03-24-2012, 09:09 PM

jimm417

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Join Date: Mar 2012

Location: michigan

Posts: 14

idk about the computer but hp would be about from 10 to like 50 hp gain not a hole lot

03-29-2012, 10:50 AM

camaroteen82

1st Gear Member

Join Date: Mar 2012

Posts: 174

I'm pretty sure you have to change the computer as well. I was thinking of putting the crossfire onto the 350 that I have for and then found out just how much it would be to get new injectors and a computer.

03-29-2012, 02:27 PM

blackz87

4th Gear Member

Join Date: Mar 2006

Location: Florida

Posts: 2,430

For one you don't have to change the ECM (computer) but you will require a new Prom (chip) with updated for a 350. Also needed 65# FI , 350 knock sensor.

Last edited by blackz87; 03-29-2012 at 02:40 PM.