1985 Pontiac Firebird 2.8MPFI
1985 Pontiac Firebird 2.8MPFI
Hey guys, my car is an 89 Trans am l98 350mod...... blah blah blah anyways, i have a question, i just aquired an 85 Pontiac fuel injected 2.8, beat to hell with a very nice motor, i have an 85 GMC jimmy 4x4 carburated, my question for yo is what exactly do i have to do to make the efi motor go into the jimmy, what is the fuel pressure spec on the pump, if i can interchange the tank i will, if not do i have to run a return line into the existing fuel tank, and replumb? i would then have to get an aftermarket electric fuel pump, So for anyone who have converted a carbed 2.8 to an EFI multiport then I would appreciate any available information. Thanks in advance matt manglos
Supreme Member

Joined: Apr 2001
Posts: 1,049
Likes: 0
From: Garland, TX, USA
Car: 1992 Camaro RS & 1992 Camaro RS
Engine: 3.1 L v6 & 305 (5.0L) v8
Transmission: 4L60 Auto
Don't even try, you can use the block and heads from the 2.8 MPFI camaro in your 4X4 but the fuel injection stuff and intake won't work.
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