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LT1-LT4 Modifications
383 question?

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

383 question?

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Jun 9, 2007 | 03:30 PM

#1

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From: Delta, Ohio

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383 question?

hi guys i was just wondering what size fuel injectors you guys were running in your 383's. Cause i have had bryan from pcmforless tune my car. I just bought lt1 edit for my car but i cant seem to lean out my car any. when i put it to the floor my wide band wants to read 9.5 the best i could get it to lean out is 11.5. Do you think that my 42 lb injectors are to big.

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Jun 9, 2007 | 03:38 PM

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normaly 42s u us with boost. thay may work with your big motor,

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Jun 9, 2007 | 05:41 PM

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do you have an adjustable fuel pressure regulator?

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Jun 10, 2007 | 05:18 PM

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From: Katy, TX

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I run 36lb in my 12.8:1 383 with no probs. With the right tune I dont see why 42's would be that much harder to tune.

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