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| | | Forums66 Topics128,187 Posts1,057,211 Members48,465 | | 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: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | What type/size tires? What measured-diameter of your tires? (not the "rated" advertized tire-diameter) 12v 6-cylinder tachometer? 3.55 rear end 1:1 high gear 27" diameter tires 65 mph 2872 at 65 mph 2651 at 60 mph http://www.csgnetwork.com/multirpmcalc.htmlI have radial trucks tires that the manufacturer shows 30" rolling diameter, but on my 6.50x16" wheels the rolling diameter is about 31.5". | | |
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