Wow thats is really weird. Sounds like my squeaking problem. lol. Hmmm. Have you taken it out and ran it at WOT or revved it for a extended period of time? When you're letting rubber fly for 75 feet it might be keeping enough fuel in the fuel bowl to allow you to do that. I doubt that your 383 will run for an extended amount of time at WOT with only 2.5 psi. I know mine requires at least 6-9 psi or 110/130GPH. I recently blew a diaphram in my holley fuel pump and while waiting for my rebuild kit I installed a stock pump and it ran horribly at WOT but normal at idle. Voltage problem at the pump? Just something to think about.
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06-28-2011, 05:46 PM
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