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

Injector Question

Old 01-21-2008, 11:16 AM
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I'm in the process of having my 383 Stroker motor built. It will have spray on it later down the road direct port. My builder says 30 lb injectors will be big enough and should do fine, but I have other knowledable friends that think i should go with 36lb injectors and that my builder is under estimating the power my car is going to make. We are thinking around 440 rwhp when its all done.

I've got ported LT4 heads/intake, 58mm TB, and a very healthy cam matched to the heads. 1 3/4lb long tube headers, 3 inch true dual exhaust.
Old 01-21-2008, 11:25 AM
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i would go with 42s. from what ive learned they tune better than 36s.
Old 01-21-2008, 11:37 AM
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Yea 30s would only be good for a mild 383, but no where near enough for sprayed 383.
Old 01-23-2008, 08:36 PM
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That's what I tought, I'm going with 36 to 38lb injectors. My builder is kind of old school but in the end whatever I want will be installed on the car. Thanks.
Old 01-23-2008, 09:03 PM
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I have a set of 42#'ers on the way...better to go a little big than end up being too small...I have similar plans.


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