My cold start up pressure is 80- 85 lbs when she roars to life. Same as when
I bought my 6 17 years ago. Hot 900 rpm idle is 20-25. I did the oil pump
blueprint a few years ago when I had the pan off to install steel sealing
block, fix a leak and clean out gunk at bottom of pan. Smoothing out the oil
pump body gave me 5-10 lbs at start-up. Other then that and new thrust
washers, no bottom end work by me. I use STP at every oil change, which is
every fall nowadays.
I think my pressure is quite acceptable, but not perfect. Power is very good.
Cheers, Bruce Simms
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