taking out injectors
taking out injectors
i was wondering since my car is put up for the winter i my garage and i can't get it out if the injectors would be able to be taken out in my garage or is it too hard and if not how long should it take to remove them.
Senior Member
Joined: Jul 2001
Posts: 649
Likes: 0
From: San Rafael, CA
Car: 1988 Trans Am GTA
Engine: 5.7L TPI (L98)
Transmission: 700RJunk
Shouldn't be that hard. Just be sure to relieve the fuel pressure and when you're lifting the fuel rail, lift it evenly on both sides. Don't want one of the injector's o-rings to fall into the intake.
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Red '87Formula Firebird
-mostly stock 5.0L LG4 w/cowl induction setup borrowed from '83 TA and T5 tranny.
My newest Ride:
'85 Silver L98 Corvette w/4+3 manual tranny. not bad for $3500.
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Red '87Formula Firebird
-mostly stock 5.0L LG4 w/cowl induction setup borrowed from '83 TA and T5 tranny.
My newest Ride:
'85 Silver L98 Corvette w/4+3 manual tranny. not bad for $3500.
Supreme Member
Joined: Dec 2000
Posts: 1,536
Likes: 0
From: Springfield, MO, USA
Car: 1986 Trans Am, 1991 Firebird
Engine: 355 TPI, 3.1L V6
Transmission: 700R4 in both
Take the plenum off ... if you've never done this be careful, there's a sensor on the back underneath that has to be unplugged and a vacuum hose underneath the throttle body that has to be undone. After the plenum is off, remove the runners.... if you have the cold start injector on the drivers side, it's easiest to remove it from the back of the fuel rails as well. After that, all you gotta do is remove the 4 - 10mm bolts holding the fuel rails down and disconnect the fuel lines (1 - 15mm, the other 5/8 I believe) and remove the rails. After the rails are off, flip it over and you will see metal retaining clips holding the injectors to the rails. The clips don't come off just yet.... you slide the clip to the other side and this will essentially "unlock" the injector and you can pull it out of the rail. This can be tough to do and on 7 out of the 8 of mine, the o-ring was still stuck up in there after the injector came out. The o-rings are easy to get out though. That's all there is to it. If you put different injectors in, just take the metal clips off the old injectors and put them on the new injectors and, as Haynes would state, "intallation is reverse of the removal". Have fun. 
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1986 Trans AM
355 TPI
4 Wheel Disc Brakes
9 bolt Borg Warner Rear (2.77's....oh joy) :P
6" rods, approx. 9.7:1 Compression, Stock TPI (soon to be ported), 24#/hr LTI injectors (cleaned and flowmatched by Cruizin Performance), Hedman Shorty Headers, 3" exhaust with 80 series flowmaster, SBC 993 heads completely redone and modified for 1.6 RR, 1.52 RR (for now), Comp Cams XE262-14 TPI Cam, Holley AFPR, TPIS airfoil, MSD wires, MSD 6-AL Ignition, Hypertech 53,000 volt coil.
Track times to come.

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1986 Trans AM
355 TPI
4 Wheel Disc Brakes
9 bolt Borg Warner Rear (2.77's....oh joy) :P
6" rods, approx. 9.7:1 Compression, Stock TPI (soon to be ported), 24#/hr LTI injectors (cleaned and flowmatched by Cruizin Performance), Hedman Shorty Headers, 3" exhaust with 80 series flowmaster, SBC 993 heads completely redone and modified for 1.6 RR, 1.52 RR (for now), Comp Cams XE262-14 TPI Cam, Holley AFPR, TPIS airfoil, MSD wires, MSD 6-AL Ignition, Hypertech 53,000 volt coil.
Track times to come.
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