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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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Global Mod,
Mod | | | Forums66 Topics128,009 Posts1,055,292 Members48,419 | | 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!
| | THANKS!
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: Jul 2000 Posts: 962 Shop Shark | | Shop Shark Joined: Jul 2000 Posts: 962 | Correct. GM went to external-regulated alternators in mid-60s. Internal regulated came out in early -mid 70s. Somebody may have done an alternator conversion on this truck, but it should have had a 12 v generator with an external electro-mechanical regulator. You can use the stock brackets with some mods for an alternator, but the pulleys don't line up right. I had to use a Langdon mount to get an alternator to work in my '54.
Also, make sure the ballast resistor is in place for the ignition points.
Im so happy they're using an old truck to teach this stuff. Rock on!
Chip
Preaching the Hot Rod Gospel according to the 4-stroke apostles:
Suck, Squish, Fire and Fumes
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