fuel pressure bounce
02-02-2002, 01:05 PM
#1
Safety Car
Thread Starter
fuel pressure bounce
I have the fuel line from Summit that has the gauge that screws into it.
The needle jumps from 2 to 9 all the time.
The old fuel pump pulsed real bad so I got a new one,it doesn't pulse in the line but the gauge says something has a great varation in it.
Do you think the gauge is just not that accurate?
The car starts and idles fine.
The needle jumps from 2 to 9 all the time.
The old fuel pump pulsed real bad so I got a new one,it doesn't pulse in the line but the gauge says something has a great varation in it.
Do you think the gauge is just not that accurate?
The car starts and idles fine.
02-02-2002, 03:17 PM
#2
Le Mans Master
Re: fuel pressure bounce (Tim H)
i had the same problem had to put a regulator on it and adjust it to what it needs..mine pulsed between 5-12 sometimes...
02-03-2002, 07:41 AM
#3
Drifting
Member Since: Nov 2000
Location: North Brunswick NJ
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Re: fuel pressure bounce (Tim H)
Tim,
This is typical with a mechanical fuel pump. The guage is picking up the pulse between strokes,. You wont get that type of variation with an electric pump. Summit and others sells a liquid filled guage that will reduce the variation.
Ed
This is typical with a mechanical fuel pump. The guage is picking up the pulse between strokes,. You wont get that type of variation with an electric pump. Summit and others sells a liquid filled guage that will reduce the variation.
Ed
02-03-2002, 03:03 PM
#4
Burning Brakes
Member Since: Dec 2000
Location: Carlisle PA
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Re: fuel pressure bounce (Tim H)
Get a glycerin filled fuel gauge. They are about $30 and will tame the pulses down your seeing when using a mechanical fuel pump.
[Modified by 70PurpleLS7, 2:04 PM 2/3/2002]
[Modified by 70PurpleLS7, 2:04 PM 2/3/2002]
02-03-2002, 07:13 PM
#5
Safety Car
Thread Starter
Re: fuel pressure bounce (Tim H)
I was hoping there wasn't something I wasn't catching.
I beleive the gauge is probley very cheap and not real accurate.
Thank you.
I beleive the gauge is probley very cheap and not real accurate.
Thank you.
