No sense reinventing the wheel. A GM school bus chassis uses the same 7/8"
wide belt as a TR2/3. Go down to your local alternator rebuild shop and ask
for either part number 1214P or 201-01005. The pulley will bolt directly onto
an older (1990 or older) GM alternator. The pulley costs $20 and no machining
is required. Our local farm fleet chain (Mills Fleet Farm) sells rebuilt
alternators for $20 plus a $5 core fee. For less than $50 you can have a
rebuilt alternator with the correct pulley that will bolt-up right onto a
TR2/3 engine. If you are really lucky you might even be able to get a used
pulley at a junk yard or an alternator rebuild shop for only a couple of
dollars.
> From: ccsimonsen@gmail.com
> Date: Mon, 9 Aug 2010 16:07:42 -0400
> To: agraham@execulink.com
> CC: triumphs@autox.team.net
> Subject: Re: [TR] TR2/3 - Source for 3/4" alternator pulley.
>
> http://www.alternatorparts.com/Alternator_brackets_2.htm
>
> I bought the A203 and it worked just great.
>
> On Mon, Aug 9, 2010 at 2:12 PM, Angelo Graham <agraham@execulink.com>
wrote:
>
> > Hello List:
> > Following a GM alternator conversion on my '2, used the original pulley
> > machined to fit. Still having some belt problems and and a smaller, stock
GM
> > diameter (2.5" - 2.6") pulley would solve this.
> > Recall seeing a source for a new billet 3/4" x 2.5" pulley to fit the GM
> > alternator. Anyone recall a source for this pulley? Have done a search,
but
> > nothing seems to turn up. Maybe I'm dreaming about this.
> > A trip to my local machine shop to have one made up in order?
> > Thanks for any help with this
> > Angelo Graham
>
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