stock fuel pressure on turbo gsr
08-08-2004, 12:21 PM
#1
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stock fuel pressure on turbo gsr
my old setup I was running 9psi on GSR with hondata, rc440's, walbro 255 and stock FPR - making 294whp. my new built motor is now being broken in on the old tune at 9psi... I installed my fuel gauge on the fuel filter just to see what its at and its reading 54psi... with stock FPR at idle , is this normal?
when i go to the dyno to get retuned im going to be installing AEM FPR, Fuel Rail, and MSD 720cc injectors at the shop...
when i go to the dyno to get retuned im going to be installing AEM FPR, Fuel Rail, and MSD 720cc injectors at the shop...
08-08-2004, 01:23 PM
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i have had the walbro 255 in the whole time... vacuum hose was on when i did it...
when i rev'd the motor it would go up to about 60psi if it makes a difference.
when i rev'd the motor it would go up to about 60psi if it makes a difference.
08-08-2004, 01:42 PM
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thats completely normal. the walbro is pushing a lot more fuel than the factory pump thus creating more pressure. ideal fuel pressure should be around 45psi with the vacuum line disconnected. and the reason the pressure goes up when u rev the motor is that it sees less vauum when giving it throttle
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