stock or hv oil pump

High Volume. For more flow with the use of a cooler and remote filters. Also essential when you have excessive by pass at the lifters . Most factory blocks flow oil back to the pan very fast. Some of the race blocks are closed off in the lifter gallery.

There is always a reason for different applications of oiling. There is a new chemical now the you use in a blast cabinet and blast pistons and bearings and internal parts. Tungsten Disulfide , It makes them so slippery there is no friction.

My son uses King's bearings, total seal rings and O-rings most heads. We all can argue all day about what we think is the best. The younger generation has more technology then we had. Some of the engines Evo, Supra, Subaru, and Hondas, Nissan , LS , Hemi and Diesels that come here for custom head and block work for race cars and trucks have things being done. "Technology" that I believe was taken from Area 51 LOL. And here we are talking about 50 year old cast iron motor technology. You should live with the life of a young machinists and his world.

We argue all the time. Then he gets his hand held small TV out of his pocket and I get disgusted and go to the house. LOL

As you can see below not all feed or return of oil is the same on small blocks

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