05-17-2011, 10:19 PM
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CC Member
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Join Date: Mar 2003
Location: PVE,
CA
Cobra Make, Engine: ERA 289 FIA #2027, 65' 289" PS wheels
Posts: 345
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Not Ranked
Oil pump pressure relief valve was the case in my 1967' 327 Corvette...
Oil pressure was great except under braking, accelerating or had cornering.
Pulled the pan and found a "press-fit plug" that eventually I realized had popped out of the side of the oil pump body, probably on initial start up. Found the plug first time I pulled the oilpan...put it on the bench as a monument to careless junk in the engine...pulled the pan 2 more times, adjusting the pickup to no avail...finally pulled the pump and the pressure relief plug was out...
Simply using a cold chisel to stake the plug would have saved the crank.
I have no idea what the valve assembly in a filter or Ford oil pump looklike, but if there are ANY drops in oil pressure, suspect the pump.
Pete
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ERA 289 #2027
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