Fuel Injectors
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Junior Member
Joined: Aug 2011
Posts: 8
Likes: 0
Car: 1990 Formula Firebird
Engine: 305 TPI
Transmission: 700R4
Fuel Injectors
I have a 1990 Formula Firebird with the 305 engine, supposedly three of my injectors are shot. I've decided to install all eight at once to make sure their all working properly. My question is, what size fuel injectors does the 305 TPI engine take?
Supreme Member
iTrader: (8)
Joined: Jul 2001
Posts: 3,204
Likes: 7
From: New Boston, IL, USA
Car: '90 Formula 350
Engine: 383 SBC
Transmission: ProBuilt S/S 700-R4 & ACT 9" Stall
Axle/Gears: 10 bolt 3.23
Re: Fuel Injectors
If I remember correctly they should be 19 lb injectors on a 305.
Joined: Dec 2004
Posts: 16,771
Likes: 1,001
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Joined: Feb 2003
Posts: 2,498
Likes: 20
From: PNW
Car: 91 Black Formula KR
Engine: 305 TPI R69/G92
Transmission: Astro A5-Pro 5.0-McCleod
Axle/Gears: US Gear 3.42 Eaton True Trac
Re: Fuel Injectors
I had my 305 TPI injectors replaced with SouthBay (buy TPI Gasket kit too)...
3 year warranty and 10% discount for thirdgen (I think)....
Engine runs smoother, and I'm very happy... great price on their stuff...
3 year warranty and 10% discount for thirdgen (I think)....
Engine runs smoother, and I'm very happy... great price on their stuff...
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