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Expected pressure using Racetronix kit with plug n play wiring harness upgrade?

Old 02-16-2016, 12:25 AM
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Default Expected pressure using Racetronix kit with plug n play wiring harness upgrade?

So I hear 58lbs is desired ls1 fuel pressure. I installed the racetronix kit on my 2000 and am seeing 66lbs. Idle is producing around 14.7 volts.
Is this right?
I used an aftermarket sending unit/housing, cause my old one was brittle/junk.
Do I just grab a good regulator and call it a day?
Thanks.
Old 02-16-2016, 03:17 AM
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Mine sees 64 at idle and about 58 at WOT. I was told that's ok
Old 02-16-2016, 05:34 PM
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Originally Posted by SPDEMON
So I hear 58lbs is desired ls1 fuel pressure. I installed the racetronix kit on my 2000 and am seeing 66lbs. Idle is producing around 14.7 volts.
Is this right?
I used an aftermarket sending unit/housing, cause my old one was brittle/junk.
Do I just grab a good regulator and call it a day?
Thanks.
58-62 is normal for battery voltage of 13.0-14.0V.
Your voltage is a bit high and the pressure will be higher when the fuel is cold.
Make sure you are using a quality mechanical gauge.
Electronic gauges tend to be less accurate especially if their pressure sensors are located in a hot engine compartment.
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