| RAK402 | -- 02-23-2023 @ 11:14 AM |
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I have a very stock 1940 Ford Sedan. I have had, in the last 48 years or so, three engines in it-the last two have had the stock Oil Filter installed. The Oil Pressure when idling with a warmed up engine has always read the same. I have seen a few comments that there should be a flow restrictor in the pressure side of the oil filter line. I never did this because I didn't know about it until reading it here. How much oil pressure should I have at idle when fully warmed up? (photograph shows the oil pressure with the car fully warmed up at idle). It reads about 10 pounds (?) judging by the gauge on the dash. It goes up quite high when driving (I will have to look next time to see how high it actually goes-I can't remember at the moment).
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| carcrazy | -- 02-23-2023 @ 1:32 PM |
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I wouldn't be too worried about it. If you have the stock original 50 psi oil pump and 50 psi oil pressure relief valve installed, your 10 psi oil pressure reading under hot idle conditions is OK. What is your oil pressure per your original dash gauge while driving at 30 plus MPH once the engine is warmed up? Do you have a 50 psi oil pressure sending unit installed in the engine? The oil filter installation kit comes with a .060" orifice restrictor which is installed in the line feeding oil into the filter cannister.
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| ford38v8 | -- 02-23-2023 @ 10:15 PM |
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If there were no restrictor ahead of the filter, you would have no oil pressure at all. Alan
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| JayChicago | -- 02-24-2023 @ 6:57 AM |
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10 psi at hot idle is excellent. I think most engines with some miles will be 5 psi or less at hot idle. As said above, your oil filter restrictor must be in there.
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| RAK402 | -- 02-26-2023 @ 8:54 PM |
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Thank you all for the responses. Looks like I am good to go! Thank you again!
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