Best LT-1 AC Delco PFI fuel pump?

Discussion in 'High Tech Retrofits' started by Steve S, Jun 14, 2007.

  1. Steve S

    Steve S New Member

    Likes Received:
    Apr 17, 2007
    L.A., CA
    I heard the original LT-1 fuel pump was the AC Delco EP 242 later upgraded to the higher peformance EP 376 then EP 381. All 3 are still available.

    What are the differences in output, reliability, etc.? (Delco won't say.)

    Which is the most reliable with the longest service life for a low RPM daily driver cruiser? I'm worried that a higher output pump might overwork the regulator into early failure.

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