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| | | Forums66 Topics128,022 Posts1,055,362 Members48,420 | | 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!
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#99709 03/07/2007 3:01 PM | Joined: Feb 2007 Posts: 83 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2007 Posts: 83 | i want to upgrade the 39 from 6v. to 12 volt . it's a 235 , but what size diameter pulley should go on the new alternator ( to keep it charging well ) ? | | |
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