1940 160 SUPER 8 OIL PRESSURE QUESTIONS

Posted by JOHN-1 On 2012/10/24 21:54:39

THE OIL PRESSURE GAUGE SHOWS 40# OF OIL PRESSURE WHEN COLD AS THE ENGINE WARMS UP THE PRESSURE DROPS. AFTER SOME TIME THE PRESSURE IS AROUND 12# WITH A MECHANICAL TEST GAUGE INSTALLED AT IDLE AROUND 25# RUNNING FAST. thE ENGINE IS SILENT BUT SHOULD I BE CONCERNED? ALSO WHERE THE OIL PRESSURE SENDER IS INSTALLED THERE IS A TEE THAT HAS A OIL LINE TO A FITTING IN THE CAMSHAFT BORE JUST ABOVE THE SENDER FITTING? ANY IDEAS WOULD BE GREAT THANKS JOHN. USING AMSOIL 10W40 OLD ENGINE OIL