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Labor Day Putting down your wrenches or time for MORE wrenching? 
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| | | Forums66 Topics128,004 Posts1,055,246 Members48,418 | | 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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | There is an outlet on the intake man. in back of the carb. A fitting goes in it to connect the hose to the trans. modulator & the power brake. The mod. uses 1/4 in hose while the pb uses 3/8. The dist connects to an out let on the carb. Some carb outlets are constant manifold vacuum while at least one is ported vacuum. Ported vacuum has vacuum only at part throttle. Use one of these for the dist. vacuum advance. 3/16 hose. It takes some research & experimenting to find which works best for your engine. 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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