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Click on image for the lowdown. 
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| | | Forums66 Topics128,014 Posts1,055,328 Members48,419 | | 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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Jul 2005 Posts: 227 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2005 Posts: 227 | ok talking about a 305sbc. my th350 needs vacuum as does my power brake booster. i am only aware of 2 ports to get vacuum from. 1 is the carb base. I was told this was varible and i dont want to use this for my power booster. the other port is behind the carb on the manifold between the distributer and carb. the rear port is hooked into my th350.
what is the proper way to hook both the transmission and the booster up and which ports? should i t off the rear port for both?
thanks in advance | | |
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