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post #1 of (permalink) Old 10-26-2017 Thread Starter
Junior Member
Join Date: Oct 2017
Posts: 1
67 122s Vacuum Leak

Hello all! New to the forums trying to sort out my 67 122s wagon's vacuum leak. The engine was recently rebuilt and now I can't get it to idle down even with the curb idle screws all the way out. I've narrowed the problem to the PCV system on the driver side of the block. If I plug that port at the manifold it idles down and dies. I replaced the lines from the manifold to the filter and to the brake booster and still it idles too high. Any ideas? Thanks in advance.
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