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#1
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Unresponsive oil gauge
I know I have oil pressure cause the light goes out and the gauge SLOWLY goes up to 20/25. Even when I rev it it won’t go higher than that. I looked and I have a slight leak where the tee is for the light and the gauge. I am going to fix it tomorrow but could that be my problem? This is the second gauge I tried cause I thought the first was defective. When the engine was on the machinists stand it was holding 70.
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#2
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Is this a electric gauge?
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I do stuff for reasons. |
#3
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#4
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Is the needle slow to drop back down when you shut it off?
Clay |
#5
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I haven’t paid attention, what could that mean?
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#6
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Kink in the line or one of the ends not fitting right. Restricted..
Clay |
#7
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Well the copper line is about a million miles too long so it’s coiled up under the dash. Anybody know of a shorter copper line kit for Stewart Warner green lines
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#8
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Try hooking up an external mechanical gauge. If it works you have a problem somewhere else.
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#9
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Quote:
Clay |
The Following User Says Thank You to "QUICK-SILVER" For This Useful Post: | ||
#10
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Never mind I found one
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#11
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With any mechanical gauge you need to purge the air out of the line by leaving the fitting at the gauge end a bit loose while the motor is running until you get a good steady bleed of oil coming out with no sputtering which indicates air.
Just like bleeding a brake system.
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I do stuff for reasons. |
#12
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My gauge came with a preterminated line that I couldn’t shorten. I found a kit that uses compression fittings. I am gonna use one for my oil and vacuum gauge
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#13
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Quote:
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress. |
#14
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There's a small restriction inside the back of the gauge. They do this to dampen oscillations. You probably have a piece of dirt. or Teflon tape, clogging the restriction. Take a needle, bread tie, torch tip cleaner, etc. and poke the crud out of there.
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The Following User Says Thank You to JSchmitz For This Useful Post: | ||
#15
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Well it went up to 40 today very slowly and it did not immediately drop when I turned the engine off
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#16
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Did you confirm no kink in the line? Coiling it under the dash is not good.
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Will Rivera '69 Firebird 400/461, 290+ E D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears '64 LeMans 400/461, #16 Heads, HR 230/236, TKO600, 9inch Rear, 3.89 gears '69 LeMans Vert, 350, #47 heads: Non-running project |
#17
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I ordered a line kit that you cut and put a compression fitting on it so I don’t have a mile of line under the dash.
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#18
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Regardless of what others have posted here you have a lot of air trapped in all of that extra coiled up line and It may take a few minutes of bleeding to get all that air out.
You can get this out of your hair now if you do this.
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I do stuff for reasons. |
#19
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Ream out the ends of the line then bleed the line. Air compresses, oil doesn't.
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Triple Black 1971 GTO |
#20
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So when your air compressor gauge reads 80 pounds, it's not accurate because air is compressed to reach that level? Your 6" of trapped air might compress down to 2" with the oil pushing it, but it will be at 80 PSI when it equalizes with the input pressure. I've installed a lot of mechanical oil pressure gauges and never worried about trapped air.
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress. |
The Following 3 Users Say Thank You to lust4speed For This Useful Post: | ||
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