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Click on image for the lowdown. 
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| | | Forums66 Topics128,164 Posts1,056,982 Members48,458 | | 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: Jun 2012 Posts: 37 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2012 Posts: 37 | Any better performance in going to a dual exhaust using the existing ram horn exhaust manifolds versus the standard set up of single pipe?
Any better performance (HP or mileage) switching to a 4 barrel carb (manual choke) and changing the manifold from the 2bbl?
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