fpr problem
we need more info... did you just install the fpr? what fpr is it? return style? do you have a pic of it installed? are you shure that the lines are on the correct ports? is the gauge installed on the fpr? and...... is it for a carb or fi?
Many fuel gauges are notoriously inaccurate, particularly in the 0-15 psi range, Billy at ReSpeed sells what is probably the best low psi gauge out there. It also comes with a dry break feature so it doesn't need to be installed all the time. Before you purchase a new gauge, make sure you have the current one reading from the correct port. Most fprs have more than one output port, that's where the gauge needs to be reading from.
Post the brand of both the fpr and fpg along with how it's plumbed.
Post the brand of both the fpr and fpg along with how it's plumbed.
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Joined: Feb 2006
Posts: 85
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From: Los Angeles
yesterday i fixed some of the wiring to my fuel pump and changed the fuel filter near the pump... started the 7 and the needle in the gauge moved a little... so then i tightend the fittings a little more but the needle was still seating a little above 0... then i started looking at the gauge itself and noticied that there was a little rubber bushing on it... so i took it off and the liquid inside started to come out so i put it back... but when i looked at the gauge the needle jumped up to 5 psi...
george from european sold me the liquid filled gauge... is there a certain way to use the gauge? do i have to remove that rubber piece to make the needle move?
george from european sold me the liquid filled gauge... is there a certain way to use the gauge? do i have to remove that rubber piece to make the needle move?
You have a liquid filled guage from Summit with a Holley fpr. So far it looks like it's plumbed correctly. I would add a 45 or 90* elbow so the guage can be read easier. I prefer 0-15 psi gauges, they are easier to read and tend to be a bit more accurate when adjusting the fpr. It's possible a piece of the teflon sealing tape is blocking the opening to the guage. Liquid filled guages can present a unique problem in that often they are only accurate around the temperature range in which they were assembled.
Thread Starter
Full Member
Joined: Feb 2006
Posts: 85
Likes: 1
From: Los Angeles
You have a liquid filled guage from Summit with a Holley fpr. So far it looks like it's plumbed correctly. I would add a 45 or 90* elbow so the guage can be read easier. I prefer 0-15 psi gauges, they are easier to read and tend to be a bit more accurate when adjusting the fpr. It's possible a piece of the teflon sealing tape is blocking the opening to the guage. Liquid filled guages can present a unique problem in that often they are only accurate around the temperature range in which they were assembled.
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