Quote:
Originally Posted by jr_ss
Frank, what components were plumbed in this test? Was a Venturi utilized? If not, of course they weren't seeing any benefit. Venturi's use exhaust flow/velocity to pull the vacuum. If they did use a venturi, was the slash pointed in the correct direction?
I have not put a gauge on my exhaust line/CC to see an actual number, but I can tell you at idle I have decent vacuum on the system. I'll be glad to swing by and let you listen to the air release when the dip stick is pulled out at idle.
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Most that I've read were using the summit kit. It has an angled bung with a slash cut tube. Before this is a check valve. I can't verify if they had it oriented properly though.
I might take you up on that. I'm rebuilding my SR right now and I'm wanting to get the best seal possible as I wear in the new rings. A few years ago I read about using the exhaust to pull vacuum and it seemed like the best method however checking again now it seems that it doesn't do so well under moderate / high loads.