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Thread: '96 Chevy 5.3L swap

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  1. #1
    Join Date
    Aug 2007
    Location
    Texas
    Posts
    159
    Great information
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  2. #2
    Join Date
    Feb 2010
    Location
    Central Texas
    Posts
    300
    Fuel pump in a 96 would be a min. of 55 to 60 psi at least on v8 p/u but I think 4.3 was the same because of the poppet design injector system requires at least 55 to open the poppets. Doesn't the 5.3 run 60 psi

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