| still trying to figure out why this bt7 has only about 30 or so pounds of oil 
pressure when it first starts and goes down from there.  the engine was rebuilt 
and has only about 1000 miles on it.  according to owner, it has always been 
that way.  most oil pressure ever seen was about 45 on cold mornings.  we have 
eliminated as problem area the filter, rocker arms system, the pressure relief 
valve, the indicating system, and oil pump.  i am beginning to suspect a major 
leak inside the engine, either from crankshaft (we are going to plastigage each 
journal) or possibly a hole in oil gallery somewhere.  any thing i might be 
missing?  TIA  hjim
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