You are correct that they can't be mixed. 12 volt starters use a 162 fine tooth
flywheel and 6 volt uses a 139 wide tooth.
Grant 50 3100
Doug Pewterbaugh wrote:
> I've read on the list, for a long time, that the flywheel ring gear &
> starter bendix gears between 6v & 12v are different & can't be mixed. I've
> looked in the parts book & can't really decipher that there is a difference
> (other than different part numbers for x-53 & 54 or 55 to 59 & up); no teeth
> count/pitch etc. details given.
>
> I ask this because I have a '49 216 that still has 6v starter, bendix & ring
> gear & I just acquired a 12v starter, from a car, that I would like to use
> as a spare. Will there be major problems using the 12v starter on the older
> flywheel. I am already using 12v, so the power source is not a problem.
>
> Regards,
> Doug Pewterbaugh
> dpewter@msn.com
> Denton, TX
> 49 3104 216 5-window
> ----- Original Message -----
> From: Al Jones <jonesal@u.washington.edu>
> To: <oletrucks@autox.team.net>
> Sent: Thursday, October 21, 1999 10:51 AM
> Subject: Re: [oletrucks] 12-volt starter for '50 Chevy Truck
>
> > The message below is correct, the 6V starter will just spin faster on 12V.
> >
> > Or, if you have the engine out (or trans out), just knock off the flywheel
> > ring and replace it with a 55 or newer one (I think up to '61). The rings
> > are the same diameter, large or small flywheel). Then just use a 12V
> > starter (and the foot starter still works the same).
> >
> > ----- Original Message -----
> > From: <ldfinley@juno.com>
> > To: <kosibar@kolbenet.com>
> > Cc: <oletrucks@autox.team.net>
> > Sent: October 21, 1999 7:36 AM
> > Subject: Re: [oletrucks] 12-volt starter for '50 Chevy Truck
> >
> >
> > I was told by the owner of the company that I used when I overhauled
> > my starter that if I ever converted over to 12 volt the 6 volt starter
> > would work fine. He even told me that they often use 6 volt brushes on
> > 12 volt starters when they want to make them heavy duty.
> >
> > Hope this helps.
> >
> > Larry
> > '51Chevy Ad, 5 window
> > OKC, OK
> > --------------------------------------------------------------------------
> --
> > ------------------------------
> >
> > On Wed, 20 Oct 1999 21:47:50 -0400 (EDT) Rich Kosiba
> > <kosibar@kolbenet.com> writes:
> > >I'm fixing up a 1950 Chevy Truck with the original 6-cylinder motor.
> > >Of
> > >course, that's 6 volt. I am considering converting it to 12 volt. Does
> > >anybody know of a starter that will work with that at 12 volts?
> > >
> > >For anyone interested, I'm going to try to keep a page updated with
> > >pictures and information on my restoration. I hope to update it every
> > >couple of days.
> > >http://www.kolbenet.com/~kosibar/truck/
> > >
> > >Thanks!
> > >
> > >Rich
> > >
> > >oletrucks is devoted to Chevy and GM trucks built between 1941 and
> > >1959
> >
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
> >
> >
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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