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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#57121 02/28/2006 1:23 AM | Joined: Dec 2003 Posts: 2,733 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 2,733 | Just as a comparison in case you don't have it, my M4F has .420 lift 8/48 I and 48/8 E @236 degrees. I have 2 Holley/Webers that outflow the 390 4bbl and it performs great but with a little more bottom end than the higher RPM 290 which these older engines don't like unless they're totally built for it. It's also a little rumpy which I like. Sort of reminds me of those early Buick V8 sounds. | | |
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