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Thread: Fuel overheating
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04-02-2011 #1
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- Jan 2006
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Fuel overheating
I am at my wits end on this so hopefully someone has a good idea. Problem I have is when the car warms up at operating temp 180 ish , eventually the fuel pump (external walbro 255) begins to oscillate and cant keep pressure up and leans out the engine. I have had the regulator in the engine bay. Now have it back at the tank running a single line forward. Recently found out my EFI has a ability to add a separate line to the ground to control the voltage to pump. It was working great then the fuel overheated. Tank is near full. Filter is downline and is a high flow aeromotive.
Like I said I dont get it. But really a pain and dangerous. Any ideas.
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1969 Camaro, GM PP HO 454, Procharger D1-SC, 12 bolt rear end, 3:73 gears, 700R4, Borla XS mufflers, X pipe. Ride Tech Air Suspension and Retrotek Speed EFI. AR S200 wheels and Nitto 555. Wilwood 6 piston with Hydratech boost.
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