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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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#78825 06/15/2007 4:10 PM | Joined: Oct 2005 Posts: 1,317 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 1,317 | I used the replacement radiator from LMC...best price and am running a/c with the condensor in front of the rad. Have a 6 blade fan on my adaptor plate early water pump (1960 engine)with no overheating problems. Did add a pusher fan for extended periods of idling but haven't needed it.
As for the flywheel....count the teeth...a 168 count is the 12 volt flywheel and requires a 12 volt (red tag) starter. A 139 count will indicate a 6 volt flywheel which will require a 6 volt(black tag) starter which can be run at either 6v or 12 v. The 12 v starter will NOT work on the 6 v. flywheel and vice-versa. Easy way to identify voltage of starters....the 12 volt starter has a bendix drive gear that is about 1" in diameter and the exposed shaft is 1/2". The 6 volt starter drive is appreciably larger...about 1-1/4" gear diameter and the exposed armature shaft is closer to 5/8".
As for your splines...they should match...both my 139 tooth and 168 tooth flywheels are 9 bolt P/Plates...11-1/2" across flats to holes. One was using a 10-1/2" clutch, the other a 9-1/2 with the same pressure plate. I replaced the 10-1/2 with a 9-1/2 as the 10-1/2 extended beyond the pressure plate contact surface. Hope this helps.
Dave | | |
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