Help with tbi ID
09-08-2004, 04:43 PM
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Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Do you have any clearer pics. Any closeups of the IAC? Something tells me that is not GM. That is not a Holley or GM 305, 350 or 454 unit.
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09-08-2004, 05:34 PM
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Car: 91 firebird
Engine: 350
Transmission: t-56
cam off a 454 u-hall truck cut off the govener and other junk, smaller injector pods than car and truck ones ( hopefully better flow) and i hope 85pph injectors, there kinda like the ones in a holley.
09-08-2004, 11:35 PM
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Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
Its a later model 454 unit since it came off of a 454 truck. Those look like the small delphi units. I dont know what the flow rates are for those offhand but theyll probably be closer to what your sock injectors flow at the stock fuel pressure that your present tbi runs at. With the regulator in that 454 tbi itll dead head your pump so modifying it somehow, using your stock injector pod, or using an aftermarket high pressure fuel pump would be required.
EDIT: saw your above post.
EDIT: saw your above post.
Last edited by dimented24x7; 09-08-2004 at 11:45 PM.
09-09-2004, 12:34 AM
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Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
I didn't realize how much of a difference there was between the late and early 454 units. The early ones are pretty much identical to ours.
09-09-2004, 06:06 AM
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Car: 91 firebird
Engine: 350
Transmission: t-56
think big truck GMC longer than my house truck where the front clip flips forwards. I think it was like a 89 to 93 or something like that. It was bolted on to a adapter on an carb intake.
09-10-2004, 05:32 AM
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Car: 96 Silverado/99 Suburban
Engine: 700 cubic inches of 'Muican Awesome
Transmission: 4L80/4L60
Axle/Gears: Chunky/Clunky
Originally posted by 91RedFirebird
think big truck GMC longer than my house truck where the front clip flips forwards. I think it was like a 89 to 93 or something like that. It was bolted on to a adapter on an carb intake.
think big truck GMC longer than my house truck where the front clip flips forwards. I think it was like a 89 to 93 or something like that. It was bolted on to a adapter on an carb intake.
what?
09-15-2004, 12:54 PM
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Car: 91 firebird
Engine: 350
Transmission: t-56
ok found out there 80pph injectors, and to make the fpr ajustable all I had to do was chip off some expoy no drilling.
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