[Healeys] Generator pulley dimensions

Oudesluys coudesluijs at chello.nl
Sun Jun 11 02:19:27 MDT 2017


If you are not racing and using the top revs of the engine most of the 
time, use the smaller pulley to have the advantage of a 10% higher 
generator speed thus a slightly higher charging.
Kees Oudesluijs


Op 11-6-2017 om 4:21 schreef Mark Donaldson:
>
> Listers,
>
> Until now I'd never noticed the small differences in generator pulley 
> diameters.
>
> What is the diameter of the pulley fitted to a Mk II tri-carb - part 
> number AEC 910 ?
>
> The one presently fitted to mine is 100mm.  It does not have a part 
> number on it.
>
> I have a 100/6 pulley with part number AEC 291 sitting on my shelf.
>
> It shows the part number on the casting and has a diameter of 110 mm.  
> (see photo attached.)
>
> As a matter of interest - could the 100/6 pulley be used on a later 
> model without adverse effect - bearing in mind the generator speed 
> would be only marginally reduced.
>
> Mark
>
> Ardmore
>
> NZ
>
>
>
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