Ive got a 82 Z28 with 5.0 litre crossfire engine. it has a flowmaster 3" exhaust with edelbrock headers, and a gutted cat, no smog or air of any kind, and I am STILL getting a small hesitation when i hit the gas, what is causing this? will it hurt to turn up the gas flow? if it wont hurt, how do I do it on a crossfire, im familiar with holley but not on my crossfire, please give me any ideas that will make this stall get away, thanks again!

 

Crossfire trait.

Is the EGR still working/intact.?? If so, put a BB in the line to it, see if that helps.

Whats the timing at??

TPS voltage??

These intake sytems work average at best in stock form, they can be made to run good if you know how to tweak them.

I don't remember the website I saw that the guy had tuning tricks for X-fires, sorry.

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ASE Mechanic/Machinist/Smog Tech

1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R

GO #3

[This message has been edited by Engineboy (edited December 04, 2000).]

 

This is the web site for CFI: http://www.crossfire.homeip.net/
you will find plenty of good info in there including pictures of how to change your fuel presure. Your car should have NO hesitation, mine doesn't.

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'83 Trans Am. 400 CID, 224/234 crane cam, Summit aluminum roller rockers, hand ported intake, home bored 2.09" (53mm) throttle bodies, MSD 454 injectors(75 lb/hr), Holley 255LPH fuel pump, custum modded FPR w/Vacuum port added, Edelbrock TES headers, empty cat, SLP 3" stainless steel cat back, stock ECM & chip. Borg/Warner T-5 World Class, 12" Corvette rotors and clipers, GTA 16" wheels, South Side Machine subframe connectors, 1LE sway bars, 3.45 ring and pinion, Alpine sound.
Best E.T. 13.532
Best MPH 102.24