losing fuel pressure?????
#1
Staging Lane
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Join Date: May 2008
Location: illinois
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losing fuel pressure?????
i have a 1998 ss camaro and i keep losing fuel pressure when there is a load on the car. when i try to do a pull the pressure drop to 38lbs. i have already replaced the fuel pump, regulator, and filter. still no chang. car has been modded with full ls6 short block with ls6 heads, ms3 cam/valvetrain, bbk intake. estimated 440rwhp. any help will be apprciated
#5
well if you have fuel system in your car ,, check the the Hoses ,, if they are big ,, for sure u will lose pressure
check the hoses ,, are they 4 an or 6 an or 8 an
i got a theory i use it myself ,,, if i use Welbro 255 inside the TANK ,,, + Bosch 430
with 8 AN Hose from the Bosch to the Fuel rail ,, i will lose pressure ,,, so i will use 2 Bosch
so check your hoses they might be to big ,,, i tried my Theory here in my country ,, and i guess i am right about it ,,,
hope that info will help u
check the hoses ,, are they 4 an or 6 an or 8 an
i got a theory i use it myself ,,, if i use Welbro 255 inside the TANK ,,, + Bosch 430
with 8 AN Hose from the Bosch to the Fuel rail ,, i will lose pressure ,,, so i will use 2 Bosch
so check your hoses they might be to big ,,, i tried my Theory here in my country ,, and i guess i am right about it ,,,
hope that info will help u
#6
Staging Lane
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the car is fixed. pulled the pump back out and the line was pinche where the spring is on the unit. put a new hose in and holds great. thanks for all the help guys