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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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| | | | Joined: Dec 2010 Posts: 21 New Guy | | New Guy Joined: Dec 2010 Posts: 21 | If your original manifold is the 2 (17/8 inch) then the 2 1/2 would certainly flow better, the real question is are they any good, as the aftermarket are usually cast in China. (I am currently facing that delima as I ordered a set of 2 1/2 inch 63-65 corvette ramhorns to put on my 67 chevy one ton.) | | |
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