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Old 07-05-2009, 09:04 AM   #2
TonyJohnson
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Join Date: Mar 2003
Location: Cheboygan, MI
Posts: 998
Re: breather/breather spacer question

As long as you have a PVC, it doesn't matter whether it's located in the breather or directly in the valve cover. It's all a matter of preference. You should have a PVC somewhere, though. I personally don't like the idea of the air filter-based connection because I think it trashes your carb. I suppose the extra filters on them do the job, but I prefer using the carb-base manifold vaccuum. I've always setup my PVC based on how many holes I have in my valve covers. Currently I have three holes and use one for the PCV directly in a grommet, one for a simple breather and one for my oil fill. If I only have two holes I use the PVC type breather in one and use the other for oil fill. That way you can always have an unbaffled opening for your oil fill and a baffled openings for your PVC and breather. I think it's best when you have the PVC on one valve cover and a breather on the other valve cover with a seperate oil fill (in the front.) That's why I like three valve cover holes best...

Wow, that a lot of logic just for the dang PVC... lol 8)
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Tony Johnson
-- '71 Blazer w/L-31 Vortec 350, SM465, NP205, performer intake, edelbrock 1406, HEI, 4" lift, Boyd EFI tank, Vintage A/C My Blazer --
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