Re: Oldsmobile oil pump conversion kit update

Posted by Jack Vines On 2010/8/5 9:57:13

For those who are interested, Peter is doing a test for us which should provide interesting data on the oil pressures inside a used running Packard V8 engine.

The test is simple - he has already installed a known good aftermarket oil pressure gauge at the oil filter inlet in the front of the engine and noted cold and warm oil pressure. This is the remaining pressure after all engine components have received oil.

Second, Peter is going to mover the pressure fitting to the rear of the engine at the OEM oil pressure sender. This gives a reading on the pressure head, before any components have been oiled.

Then Peter is going to install the high volume Oldsmobile pump kit and repeat the same test.

If we really wanted to prevail on Peter's good nature, we'd ask him to put a Tee in the line to the oil filter, so the pressure leak to the filter would be accounted for in the after readings.

Addition - The Packard Shop Manual specification is 50# at the sender at 2800 RPMs and oil warm after a highway drive and only 10# at 500 RPM idle.

jack vines