LT1-LT4 Modifications 1993-97 Gen II Small Block V8

pig rich need help

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Old 02-11-2012, 05:50 PM
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Default pig rich need help

any help is appreciated. Alright the car is a 1994 formula with 130,000 miles.
Recently i did a cam swap,added headers,new cap and rotor, edge stall converter,918 beehives with 1.6 rockers,gmmg catback, and 32lb fic injectors.
All the basics were done also(plugs, wires, ect) and the cat removed. However, the car runs way rich to the point i do not feel its safe for the motor. the car starts and runs fine but im getting smoke and raw fuel coming out the exhaust.
Ive replaced the fuel pressure regulator without change.
one more thing the car is still on the stock fuel pump and has a madz28 tune.

any tips
Old 02-11-2012, 05:51 PM
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injector stuck open?
Old 02-11-2012, 05:59 PM
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not to sure how to test for a stuck injector, but the car starts up right away every time. i got fuel in both sides of the y pipe too.
Old 02-11-2012, 06:31 PM
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check the fuel pressure regulator. sometimes they leak thru the manifold reference line. only gonna push fuel thru when its running uless you have it on a separate switch
Old 02-11-2012, 06:50 PM
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pull the rail off and prime the engine, see if one leaks... that would be the stuck injector.
Old 02-13-2012, 11:26 PM
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did the injector test no leaks. ill see if i can get a video,im trying to rule out the tune



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