Posted by 36F30 on November 15, 2011 at 10:45:15 from (71.38.172.106):
In Reply to: F 12 oil pressure posted by mkirsch on November 14, 2011 at 18:42:13:
F-Dean said: (quoted from post at 05:07:22 11/15/11) Check the archives for the responses I got for a similar question re my W-12 (Identical Engine). They ranged from 10 PSI per 1,000 rpm to "If the gauge moves, you're ok."
Basically, these old, slow engines do not need much pressure for normal use.
While I agree that low pressures are OK on the F20 and 30, the F12 has plain bearings in it and is full pressure lubed not splashed. If the pressure is not enough to maintain the oil film on the bearings you got problems. Most of the replacement gages sold today are for the 12/14 and barely read any pressure when installed on a 20 or 30.
This post was edited by 36F30 at 10:46:20 11/15/11.
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