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| oil pressure gauge calibration?? https://slantsix.org/forum/viewtopic.php?t=5447 |
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| Author: | huskynox [ Thu Apr 10, 2003 5:18 pm ] |
| Post subject: | oil pressure gauge calibration?? |
Hey Guys, is there a way to calibrate my oil pressure gauge on my 1967 A100? I've tried 2 different stock gauges including a new one. The used one reads 20psi and the new one reads 30psi. I hooked up an autometer mechanical gauge just to check the pressure and it reads 44psi at idle and 47psi at cruise. Is there a way to calibrate the stock gauges?? Thanks in advance Mike in WA |
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| Author: | bud L. [ Thu Apr 10, 2003 6:47 pm ] |
| Post subject: | ? |
Probably. If you could remove the needle, reposition it, and reinstall it, that would work. But it would be trial and error, and you'd need a little puller to safely remove the needle. I think clock/watch repair guys have those little pullers. |
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| Author: | Doctor Dodge [ Thu Apr 10, 2003 9:02 pm ] |
| Post subject: | |
Many of the factory oil pressure guages are electronic so you need to be sure that the correct feed voltage and a good sending "signal" is getting to the guage. Most of these guages run off 6 volts, stepped down through a regulator. (voltage limiter) Check the input voltage, 6-7 volts is needed. The sending unit is a controlled ground, check the resistance there and change sending units if it is out of spec. range. DD |
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| Author: | huskynox [ Fri Apr 11, 2003 11:30 am ] |
| Post subject: | |
The oil gauges are mechanical in the A100's. They have a factory oil line that runs from the engine to the dash, my line is a NOS line I just installed. It seems the factory gauge has a small flat tube that fills with oil and extends slightly when the oil pressure increases. As the tube extends it pulls the needle to read a higher oil pressure reading. There is a small link between the tube and the needle. I was thinking of maybe bending the link to calibrate the gauge? Has anyone had experience with this? Mike in WA |
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