[Steve C.]

Seek data on HP loss with a Pontiac 80 lb pump vs a 60 lb pump, I suggest hard if not impossible to find. If you find documented information post it. I have a inquiry in to a oil pump engineer very familiar with Pontiac oil pumps, if I get a response I'll pass it on for interest.

In the meantime, for interest.... a Chevy big-block’s oil pump can draw well over 10 hp at 7,000 crankshaft rpm. Use a grade or so thicker in viscosity and that can go up another 5 hp. On the other hand, pay attention to the system’s efficiency and you can divert as much as 10 hp from what the oil pump absorbs and put that to good use at the rear wheels of your vehicle. That from a book.

Would one feel 10 hp in the seat of your pants on the street with your 7000 rpm Pontiac engine..

Side note, my talking points here within this thread were not to suggest the OP should use or require a 80 lb oil pump, period. For the most part it is just to elaborate that using one in some situations will not harm a Pontiac !
Nor is it a evil as some suggest

Onward thru the fog.................


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