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man-a-fre · 11-02-2010, 02:18 PM

I have a speedway motors regulator part 720-5857 adjusted at 4 lbs.has worked well but i'm sure the holley regulator part 427-12803 is a much better regulator for the long haul.

11-02-2010, 02:18 PM	#6
man-a-fre Registered User Join Date: Jan 2010 Location: Ceresco,Ne Posts: 58	Re: fuel pressure I have a speedway motors regulator part 720-5857 adjusted at 4 lbs.has worked well but i'm sure the holley regulator part 427-12803 is a much better regulator for the long haul.