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Click on image for the lowdown. 
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| | | Forums66 Topics128,076 Posts1,055,920 Members48,429 | | 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: Jan 2008 Posts: 4,961 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,961 | The GMC Holley has the large venturi like the 55/56 Ford had and it will stumble during acceleration. The 239 Ford is about the correct size but it will be designed for the Load a Matic distributor which means it will have port vacuum. You can either run a distributor with no vacuum control or you can convert the port vacuum to manifold vacuum. | | |
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