1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Best fuel pressure gauge?

Old Jul 21, 2004 | 01:34 PM
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Best fuel pressure gauge?

I did a search on this and there is some old data, but wanted to find out what is the latest on the best pressure gauge for a carb application, i.e. a 0-5 psi gauge? if I don't find any other, I might end up buying a Yawpower one, but $47 is not cheap...
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Old Jul 21, 2004 | 01:42 PM
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here we go. too bad, I dont have the part # but carter made a 5 PSI and 7 PSI. you never know, you may not need one. years ago, we ran FACET 6PSI with no fuel pressure gauge on modified RX-2 carb with NP.
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Old Jul 21, 2004 | 01:45 PM
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I might not need one? how would I adjust it then?
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Old Jul 21, 2004 | 01:54 PM
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I'm in the market for one too, B&M makes a nice one, but it's also like 50 bucks.
Someone told me that Summit had decent liquid filled guages for under $20....... that might be worth looking into.

-- Alex
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Old Jul 21, 2004 | 02:21 PM
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The problem I had with carter was the inconsistency in the fuel pressure. Its never the same. I never had this problem with holley red.

Anyways, Carlos, check the part # in your carter. Let me know, so I can check my summit catalog to determine if urs is a 5psi pump or 7psi. OR, you can go to my house this week-end (Sunday) since I will be doing a complete suspension upgrade on a GSL-SE. I can hook up ur FPR to my MSD to get the right fuel pressure.
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Old Jul 21, 2004 | 02:35 PM
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Inittab had a thread sometime back about decent guages at low prices from some scientific instrument site.. Search again or PM him.

I have the holley 1-15, liquid filled with a glass face. Got it from a friend for $15 new in the box. Works great.
I used to have a holley guage with a plastic lens, no liquid. One BIG HINT- If you get gas on the holley plastic lens, it will fog/smear permanently. Totally sucks. I could barely read my old one. Whatever you get- get a glass face.
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Old Jul 21, 2004 | 02:42 PM
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Originally Posted by wackyracer
The problem I had with carter was the inconsistency in the fuel pressure. Its never the same. I never had this problem with holley red.

Anyways, Carlos, check the part # in your carter. Let me know, so I can check my summit catalog to determine if urs is a 5psi pump or 7psi. OR, you can go to my house this week-end (Sunday) since I will be doing a complete suspension upgrade on a GSL-SE. I can hook up ur FPR to my MSD to get the right fuel pressure.
Mine is a 7 psi pump. I hear you on the pressure inconsistency, that's why is way higher than stock and with a FPR I should be able to achieve uniform pressure.

Thanks for the offer Mel, I might take you up on that.
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Old Jul 21, 2004 | 02:44 PM
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Originally Posted by Tom
Inittab had a thread sometime back about decent guages at low prices from some scientific instrument site.. Search again or PM him.

I have the holley 1-15, liquid filled with a glass face. Got it from a friend for $15 new in the box. Works great.
I used to have a holley guage with a plastic lens, no liquid. One BIG HINT- If you get gas on the holley plastic lens, it will fog/smear permanently. Totally sucks. I could barely read my old one. Whatever you get- get a glass face.
Apparently that scientific instrument site doesn't have 0-5 psi gauges anymore...

Yes, I did read that on other threads. No plastic face.
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Old Jul 21, 2004 | 04:56 PM
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Originally Posted by cdrad51
I might not need one? how would I adjust it then?

I've never had a gauge, just go by feel.
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Old Jul 21, 2004 | 04:59 PM
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good for you man. I prefer the methodic method
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Old Jul 21, 2004 | 06:46 PM
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I go by the sight glass.
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Old Jul 21, 2004 | 06:53 PM
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meaning? if it empties, up the pressure?
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Old Jul 21, 2004 | 10:28 PM
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Sure.
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Old Jul 21, 2004 | 10:48 PM
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I use VDO.
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Old Jul 22, 2004 | 02:57 PM
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i'm using a Holley gauge, no complaints so far, but i have nothing to compare it to either, so ...
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