Quote:
Originally Posted by Rich Biebel
The oil collects in the valley and can’t drain back as fast with those extension vents. I’d get rid of them and leave the holes open for faster drain back to the pan.
Use the screw-in the back restrictors and drill the holes out a little larger and see what that looks like along with removing those extension vents.
Just my 2 cents ....
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Rich, thanks for the input. I'm worried about restrictors in the back of the block because that will restrict oil at the lobe, as well, I see a volume difference at the rocker from front to back. I'm afraid restrictors and the lower volume at the front will cause other issues. And as far as the extension vents, the engine on the stand is very slightly angled front up (but not as angled as when in the car) and the oil barely stays on the valley. I'm currently seeing all the oil running to the back of the head and straight down the rear drain holes.