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| | | Forums66 Topics128,068 Posts1,055,882 Members48,428 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#57321 03/03/2006 11:41 PM | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | Some of them are adjustable. The inlet fitting screws out & you can add or remove shims to adjust the rate of advance & shorten the spacer to get more advance. The pcv system should not effect the vacuum unless they are hooked in the same outlet. They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | |
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