Fuel spike
09-22-2005, 06:52 AM
#1
2nd Gear Member
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Join Date: Sep 2005
Location: NY
Posts: 307
Fuel spike
ok if anyone knows what may be causing this problem i have please let me know.....
I have an 88 GT with new walbro 255lph fuel pump 24# injectors and brand new fuel pressure regualtor set at 50psi
ok... first of all i had a stock 190lph fuel pump wich was changed out to a WALBRO 255lph pump last week the regualtor was changed 4 days ago and i adjusted it to 50 psi due to 24# injectors 306CI gt 40 intake edelbrock RPM and cold air intake.
ok so the problem...... with the old pump the car would always stall out and the fuel psi would spike ONLY on sharper than normal right turns.... i have an in dash saleen fuel pressure guage.... i changed out the pump and did the regualtor.... the car seemed perfect.... then i started noticing that the pressure would drop a bit again on right turns but i guess since the pump is new it wouldnt let the pressure drop to stall.... then tonite i was racing around a slight right turn and the car just straight up died... i had to push it to a parking lot... the pressure stayed at 0 and the pump would not even prime when putting on the accessories... although the relay was clicking away... i checked everything then gave up.... about 30 mins later out of no where the presure jumped back to normal and the car started and ran fine... any info on this would help... i was told it was be electrical.
I have an 88 GT with new walbro 255lph fuel pump 24# injectors and brand new fuel pressure regualtor set at 50psi
ok... first of all i had a stock 190lph fuel pump wich was changed out to a WALBRO 255lph pump last week the regualtor was changed 4 days ago and i adjusted it to 50 psi due to 24# injectors 306CI gt 40 intake edelbrock RPM and cold air intake.
ok so the problem...... with the old pump the car would always stall out and the fuel psi would spike ONLY on sharper than normal right turns.... i have an in dash saleen fuel pressure guage.... i changed out the pump and did the regualtor.... the car seemed perfect.... then i started noticing that the pressure would drop a bit again on right turns but i guess since the pump is new it wouldnt let the pressure drop to stall.... then tonite i was racing around a slight right turn and the car just straight up died... i had to push it to a parking lot... the pressure stayed at 0 and the pump would not even prime when putting on the accessories... although the relay was clicking away... i checked everything then gave up.... about 30 mins later out of no where the presure jumped back to normal and the car started and ran fine... any info on this would help... i was told it was be electrical.
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