siteunseen Posted October 12, 2011 Share Posted October 12, 2011 I bought an AFPR for my '77 stock coupe. It doesn't hold the pressure and is a pain to restart when hot. Which ones hold the psi's? Aeromotive? or should I stay with stock FPR? Maybe put a check valve in the fuel line? But then it would go back through the return wouldn't it? Runs alot better at 40 to 42 psi instead of 36 from OE. Quote Link to comment Share on other sites More sharing options...
ktm Posted October 12, 2011 Share Posted October 12, 2011 My old Aeromotive A1000-6 FPR did not hold pressure either and others have experienced the same with that and other aftermarket FPRs. I would always cycle the car ON and off (but not start it) to build up pressure in the line before starting. Quote Link to comment Share on other sites More sharing options...
Snailed Posted October 12, 2011 Share Posted October 12, 2011 My old Aeromotive A1000-6 FPR did not hold pressure either and others have experienced the same with that and other aftermarket FPRs. I would always cycle the car ON and off (but not start it) to build up pressure in the line before starting. I have used Aeromotive regulators on about ten cars with no problems, but I have heard of them bleeding down. Seems like every brand has some bad ones out there. Can you crush the stock one of make a restrictor orifice in the return line? Quote Link to comment Share on other sites More sharing options...
SleeperZ Posted October 13, 2011 Share Posted October 13, 2011 I've got an AEM, and it's always bled down. If you can't tolerate that annoyance, the factory unit will not do that. Just get a new one, or buy a used one, they are not expensive. I've got one or two in my garage I don't need. Quote Link to comment Share on other sites More sharing options...
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