1991 305 TPI replacement injectors???
Thread Starter
Joined: Oct 2002
Posts: 2,678
Likes: 1,267
From: In the paint booth!
Car: 1986 Camaro Drag Car
Engine: 383 on Ethanol
Transmission: Automatic
Axle/Gears: 4.86 Currie 9 inch
1991 305 TPI replacement injectors???
I need to get a set of injectors for my Dad's 1991 Trans Am. I was wondering what injectors you guys would recommend going with? I wasnt sure if there was a difference in injector size between the TPI years for a 305? I thought I'd order some remanufactured ones off of Ebay. Any help would be GREATLY appreciated! I want to get the injectors ordered asap. Thanks!
Joined: Dec 2004
Posts: 16,751
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 1991 305 TPI replacement injectors???
I would contact southbay fuel injectors. You need 19#hr for a 305.
bosch 3s might require tuning . You can get Delphi’s from southbay as well. This have been stated as a direct replacement by several members. The only way to tell would be to monitor your fuel trim.
bosch 3s might require tuning . You can get Delphi’s from southbay as well. This have been stated as a direct replacement by several members. The only way to tell would be to monitor your fuel trim.
Thread Starter
Joined: Oct 2002
Posts: 2,678
Likes: 1,267
From: In the paint booth!
Car: 1986 Camaro Drag Car
Engine: 383 on Ethanol
Transmission: Automatic
Axle/Gears: 4.86 Currie 9 inch
Re: 1991 305 TPI replacement injectors???
I would contact southbay fuel injectors. You need 19#hr for a 305.
bosch 3s might require tuning . You can get Delphi’s from southbay as well. This have been stated as a direct replacement by several members. The only way to tell would be to monitor your fuel trim.
bosch 3s might require tuning . You can get Delphi’s from southbay as well. This have been stated as a direct replacement by several members. The only way to tell would be to monitor your fuel trim.
Joined: Dec 2004
Posts: 16,751
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 1991 305 TPI replacement injectors???
https://www.thirdgen.org/forums/tpi/...-need-ecm.html
If you mention your a tgo member I think they give a 5% discount.
If you mention your a tgo member I think they give a 5% discount.
Joined: Dec 2004
Posts: 16,751
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 1991 305 TPI replacement injectors???
Thread Starter
Joined: Oct 2002
Posts: 2,678
Likes: 1,267
From: In the paint booth!
Car: 1986 Camaro Drag Car
Engine: 383 on Ethanol
Transmission: Automatic
Axle/Gears: 4.86 Currie 9 inch
Re: 1991 305 TPI replacement injectors???
Awesome, thanks again!!
Thread Starter
Joined: Oct 2002
Posts: 2,678
Likes: 1,267
From: In the paint booth!
Car: 1986 Camaro Drag Car
Engine: 383 on Ethanol
Transmission: Automatic
Axle/Gears: 4.86 Currie 9 inch
Re: 1991 305 TPI replacement injectors???
I ordered a set today on their website, but I didnt see where to put in a promo code. But, at least they're ordered. Thanks again for the help!
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Joined: Dec 2004
Posts: 16,751
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 1991 305 TPI replacement injectors???
It shows up after you put the item in the cart.
Supreme Member
Joined: Nov 2003
Posts: 1,629
Likes: 17
From: Somewhere
Car: 88 IROC
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 10 bolt 3.73
Re: 1991 305 TPI replacement injectors???
These will work
https://www.summitracing.com/parts/a...make/chevrolet
https://www.summitracing.com/parts/a...make/chevrolet
Joined: Dec 2004
Posts: 16,751
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 1991 305 TPI replacement injectors???
These will work
https://www.summitracing.com/parts/a...make/chevrolet
https://www.summitracing.com/parts/a...make/chevrolet
https://documents.holley.com/accel_i...ons_150130.pdf
Joined: Mar 2017
Posts: 4,255
Likes: 427
From: Portland, OR
Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: 1991 305 TPI replacement injectors???
At least they publish the offsets. That's attractive.
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