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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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#51606 10/28/2005 11:11 AM | Joined: Jun 2001 Posts: 85 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2001 Posts: 85 | You might try www.cliffordperformance.net or Tom Langdon, www.stoveboltengineco.com Jegs and Summit both sell Holley 2 and 4 Bbl carbs and Edelbrock 4 Bbl. Two barrel Holleys come in 350 and 500 CFM. Edelbrocks start at 500 CFM (but no 2 Bbls). www.jegs.com or www.summitracing.com I don't think you can squeeze a 4 Bbl onto a stock manifold. You may even have trouble with the aftermarket 2 Bbl types. However, I am completely unfamilar with the early L6 engines. When I converted my stock '68 292 from a Rochester Monojet to a Holley 390 4 Bbl, I had to replace the stock manifolds with an Offy 4 Bbl intake and Clifford headers. I was pleased with the results, but it was not as expensive in '78 as it is now to get the same parts.
Every 25 years I like to rebuild that 292 just for GP
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