Quote:
Originally Posted by SSDiv6
Vern Schummann knows his stuff and makes various versions of his oil pumps for each engine application.
If your application is for a Stock or Super Stock engine, this pump is an overkill.
This Energy Recovery version of his pump is more effective when used with a Petersen external oil pressure regulator and to adjust its operation, in lieu of an oil pressure gauge, you use an inline flowmeter and adjust the oil pump for a specific oil volume flow.
I know of a racers that have been using the Energy Recovery oil pump with the external regulator successfully on high RPM engines making 1000+ HP.
If your application is a Stock Eliminator, his Pro Standard version of the pump would suffice; if a Super Stock, you can use either the Pro Standard or the Pro Maxx version of the pump.
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You are absolutely correct about Vern knowing his stuff. I'm not disputing that or knocking his product. I'm just trying to get as much understanding as I can to feel confident about my customers oiling system.
This pump was special ordered and speced out for a Factory Stock application when ordered. With that said, using an external regulator is not accepted as I'm sure you know.
There are others in F/S using the energy recovery pumps that is why the owner requested to switch over.