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Old 12-25-2009, 10:13 AM
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Which type of fuel pump for stroker

edelbrock,holley or plain ol stock?. Its just for a 400 hp 383 stroker with a 650 edelbrock performer carb vac secondary,and NO I wont go electric. I wonder of the 3 mentioned which is better and if more than a new chevy one is really required?

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Old 12-25-2009, 10:36 AM
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Yes it`s required, the stock pump is not designed to deliver enough fuel volume to support the kind of power your pushing. As the rev gets higher the less the stock pump puts out, the spring isn`t exactly stout so it tends to bounce at upper rpms. Get a holley, edelbrock or carter high flow pump and regulator. Make sure you pack the pump cavity with lube such as cam break in lube, white lube, or moly lube. They often don`t come packed from the factory and since there is no direct lube point for them on small block chevy`s without lube the spring overheats and fails. Steer clear of the cheap pumps like procomp and the like.
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