Quote:
Originally Posted by Ron Gusack
If you have the valve cover connected to the fuel pump block off I don't think you're doing anything. They see the same pressure. I use manifold vacuum through the base of the carb and run a vacuum gauge to measure pan vacuum. It's not great but I do pull about 5 inches at the starting line. That's with both crank seals in the correct way.
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Ron - The valve cover is vented to atmosphere...the crankcase only in a torturous way. I only configured a more direct route.
Btw, the above images do not show that a breather is used on the passenger side cover. No breather/sealed on the driver side.
