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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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Mod | | | Forums66 Topics128,004 Posts1,055,247 Members48,418 | | 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
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| | | | Joined: Aug 2013 Posts: 568 Shop Shark | | Shop Shark Joined: Aug 2013 Posts: 568 | Yeah 2-1/2 is a tad large. The 454 chevelles only ran 2-1/4. We're you guys running h pipes and x pipes back then? Or is this a new phenomenon?
Are you going manual or auto trans? Tire size and gear will have a big effect also.
You can wind those 283 sewing machines up pretty high though.
Great point with the air cleaner Lincoln, I lose a good 1000rpm with my pancake air filter on. No room under the hood for a 3" which would be nice. 2" almost rubs and I have a 4" cowl.
Last edited by Hollow65; 02/01/2015 5:52 AM.
I can explain it to you, I can't understand it for you.
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