Posted by TheOldHokie on January 09, 2013 at 15:29:42 from (74.110.73.65):
In Reply to: Oil Pressure posted by John Kamerer on January 09, 2013 at 14:47:42:
John Kamerer said: (quoted from post at 18:47:42 01/09/13) I just restored a 46 2N motor. Runs great, BUT after it warms up the oild pressure drops to 1 maybe 2 lbs. Starts out at 35 - 40 lbs. What gives? is the spring tension on the pressure thingy bobby up front weak?
If you have 35-40 PSI at startup the "spring thingy bobby" is producing at least 35-40 PSI of cracking pressure. The "spring thingy bobby" doesn't know or care whether the oil is hot or cold just how much pressure it is holding back. Your problem is elsewhere.
Loss of pressure when the oil gets hot says you have overly wide clearances or a leak somwhere in the oil system. First thought would be to verify the cover plate on the pump is sealed good and tight. Any leak there will kill pump pressure.
TOH
This post was edited by TheOldHokie at 15:33:07 01/09/13.
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