350 swapped to a 305
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Junior Member
Joined: Sep 2004
Posts: 9
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Car: 87 Oldsmobile 442
Engine: 307 HO
Transmission: 200 4r
350 swapped to a 305
I got a camero that had a 350 TBI I got the car with the motor removed. I installed a 305 that I had laying around. My question is what will I have to change to make this run right with my 305. I stil have all the 350 TBI parts. The injector plugs are orange.
Supreme Member
Joined: Aug 2004
Posts: 4,168
Likes: 3
From: Marietta, GA
Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
All I am guessing is that you will need a 305 Knock Sensor.
then again, I don't know squat.
then again, I don't know squat.
TGO Supporter
Joined: Jul 2003
Posts: 4,803
Likes: 2
From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Re: 350 swapped to a 305
Originally posted by 87olds442
I got a camero that had a 350 TBI I got the car with the motor removed. I installed a 305 that I had laying around. My question is what will I have to change to make this run right with my 305. I stil have all the 350 TBI parts. The injector plugs are orange.
I got a camero that had a 350 TBI I got the car with the motor removed. I installed a 305 that I had laying around. My question is what will I have to change to make this run right with my 305. I stil have all the 350 TBI parts. The injector plugs are orange.
Why would you backslide and lose displacement? Thats silly. What's wrong with the 350 you have now?
Last edited by Stekman; Oct 7, 2004 at 07:16 PM.
Thread Starter
Junior Member
Joined: Sep 2004
Posts: 9
Likes: 0
Car: 87 Oldsmobile 442
Engine: 307 HO
Transmission: 200 4r
I bought the car with no motor in it. I have a 305 laying around. I Will be putting a 350 in it later. Its not hard to change motors IMO. BUt I dont want the 305 running rich cause the computer thinks its a 350. I did a little research and found that all aftermarket Fuel injectors are the same. Sooo I think I will be able to use those no problems. I do think I will have to get a 305 computer. I think ?
Joined: Feb 2001
Posts: 13,777
Likes: 567
From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Originally posted by Benm109
You will need a 305 knock sensor, 305 PROM/chip, 305 injectors, and 305 ESC module.
You will need a 305 knock sensor, 305 PROM/chip, 305 injectors, and 305 ESC module.
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