Quote:
Originally Posted by Pershing
... they installed the 80 psi pump since it was a 1967 model year car...
|
80 PSI gauge but only a 60 PSI pump for 1967. Don't think any engine until the SD engines in 73-74 came with the 80 PSI pump. Then again, 80 PSI on a cold engine could still be from a 60 pound pump and a little heavy on the oil viscosity. We don't get really cold here but I was getting 85 PSI on a cold start in the winter with 10/30 multi-viscosity oil. Dropped down to a 5/30 oil and startup pressures went down to a little over 70 PSI -- and again with the 60 pound pump.