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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!
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| | | | Joined: Dec 2007 Posts: 171 Shop Shark | | Shop Shark Joined: Dec 2007 Posts: 171 | I have just purchased what I believe is a pre 1955 civilian 302 GMC engine. (At least that is what I think it is). I do not have it home yet to get numbers off it, but this I know, it does not have side motor mounts and it does have the right side front of engine mechanical fuel pump. I am sure that the engine was set up to run on 12 volts, at one time, as it has a late model GM 6 cylinder HEI unit installed, but I do not have the starter, water pump, carb. and alternator. My question, Will any 6 volt GMC starter, 228, 248, 270 and 302 interchange. I suppose I will stay with 12 volt and run it against a 6 volt starter (if I have the 6 volt flywheel). I am not sure what flywheel I have yet, but hope to know shortly. Any help is appreciated. | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Big Als, as far as I know the starters suitable for the six volt flywheels interchange and the starters suitable for twelve volt flywheels also interchange, hope that helps. | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Big Als, as far as I know the starters suitable for the six volt flywheels interchange and the starters suitable for twelve volt flywheels also interchange, hope that helps. | | | | | Joined: Dec 2007 Posts: 171 Shop Shark | | Shop Shark Joined: Dec 2007 Posts: 171 | Hello 3B......yup that is what I was thinking. Next question, do the Chevrolet and GMC starters, of the same vintage, interchange?
Last edited by Big Al's; 04/22/2016 5:41 PM.
| | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Big Als, I have swapped six volt solenoid starters from cars onto the truck engines when checking engines for their internal conditions, compression checks, vacuum gauge checks that sort of thing. I have also done the same type of thing with the later twelve volt solenoid starters from the truck engines for use on the engine test stand, hope that helps. | | |
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Alan