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Old 07-15-2021, 03:28 AM   #5
mr48chev
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Join Date: Jul 2007
Location: Toppenish, WA
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Re: Need Ideas for a Chevy 235 PCV and brake booster to coexist

What Zenwren suggested should work.

I'd suggest putting a check valve in the line to the booster and you may end up needing a vacuum booster tank for the brakes
They are sold by Summit, Jegs and other speed outfits for cammed up cars with vacuum boosters on the brakes to store up vacuum. That would let you have reserve vacuum for the brakes.
Example https://www.summitracing.com/parts/s...+5ba29eacb7da9

I think some of the big luxury sedans in the 70s and maybe 80's with all the miles of vacuum hose and vacuum controlled stuff had reserve tanks but have no idea and those barges are few and far between in wrecking yards now.
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