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In reply to the discussion: Old And Reliable: Average US Vehicle Is Now 11.5 Years Old, According To New Report [View all]cherokeeprogressive
(24,853 posts)Once in a while if I stand on the loud pedal from a standing start it hesitates and then falls on its face so bad I have to pull over and feather the gas pedal a few times. It's kind of like the HEI distributor doesn't advance and I don't know why. I'm almost of a mind that it's the distributor and not the Holley but someone from Holley told me on the phone the electric fuel pump is actually capable of sucking old gas lines flat so the motor starves for gas until it catches up.
The Holley is programmable on the fly with a handheld device that's connected to the controller. I've adjusted it for gas mileage, mid-range performance, and high performance and can actually feel the difference and see it in the gas guage. All in all I think it was a good buy.