fuel pressure for dual cp3's?
11-15-2009, 11:14 AM
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fuel pressure for dual cp3's?
What is a good fuel pressure for feeding dual cp3's? I have my Fass 150 HPFP set @ 20psi. Is this enough? or do they need a higher supply pressure?
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11-15-2009, 11:30 AM
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Who's cp3 kit do you have? Some don't like high fuel pressures. I have Lloyd's Evil Twin setup and i'm running 25psi with my AirDog165. I had it set at about 18-20psi with my AirDog150 and didn't really notice a difference. How much does the fuel pressure drop on a WOT run?
11-15-2009, 11:34 AM
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I see you have Lloyd's kit as well. I've run a Walbro with 1/2" lines at about 16psi as well as an AD150 at about 18psi and now my current AD165 which is set at about 25psi. As I've switched fuel pumps, I've also done other mods, so it's hard to say which fuel pressure worked better. Lloyd's twins seem to work well with various pressure. There are other kits out there that don't like higher pressure. The way I mounted my AD165, it's hard to get to the adjustment ****, so I haven't had a chance to mess with the pressure, but when I get a chance, I'll prob drop it down to where yours is at, about 20si.
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