In a message dated 1/31/2005 12:52:22 PM Eastern Standard Time, Ct54531@aol.com
writes:
>Am I correct in thinking that I can adjust the oil pressure in my 65 4A using
>the relief valve? If so, what is the procedure?
>Once the engine is hot, at speed the pressure is, at best, perhaps 30 and at
>idle is barely 10.
>Do I loosen what I assume is a retaining nut (topmost and smaller of the two
>on the valve) and then turn the large screw? Which direction?
>Should it be done with the engine running so one can visually check the gauge
>i.e.- is the adjustment readily apparent?
==========
Jim, the answer to most of your questions is a qualified "yes." And the screw
turns clockwise (I think) to increase pressure. But before playing with that,
I'd wonder what weight you're using for oil, and I'm also wondering about the
condition of the big-end bearings in particular....
--Andy Mace
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