Crankcase Pressure

[carl hinkson]

Originally Posted by HandOverFist

I'm no expert for sure, but I also don't have any Dart blocks lying about. It's my understanding that the Dart blocks oil differently and likely less oil up top to contend with. Using these old GM blocks my solution just seems to make sense to me.

Dart blocks do use priority oiling and they get the same oil up to the top as a stock block. Nothing is restricted on the block to decrease the flow of oil to the top end.

Don't use the Dart cam bearings with 3 holes to much bleed off if you want to talk about oil running down on the cam.