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Click on image for the lowdown. 
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| | | Forums66 Topics128,042 Posts1,055,595 Members48,426 | | 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: Dec 2000 Posts: 3,399 Gas Pumper | | Gas Pumper Joined: Dec 2000 Posts: 3,399 | http://devestechnet.com/Home/FlywheelThat explains the issue you are having. The starter's gears are not easily interchangeable between 6 and 12 volts. If you have a 6 volt starter, you have 139 tooth flywheel, if you have a 12 volt starter, 168 teeth on the flywheel. Flywheel ring gears are reversible as explained in the document above. Starter parts are not interchangeable unless you are a machinist. (not sure about just turning the gear around.) It's amazing you are getting it to engage at all. Then you are destroying your flywheel over time. | | |
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