They have been used in TBI conversions about a bizillion times without issue... I would run 3/8 feed and return. If the return is not enough it raises pressure.
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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The Carter P5001 meets your requirements: http://www.summitracing.com/parts/crt-p5001
dave w
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