>      Here's one way a small alternator can be mounted on a Renesis:
>      * 60 amp Delco alternator (8 lbs)
>      * Brackets made from 0.10 4130
>      * the upper bracket uses 2 existing 8mm and 2 existing 6mm holes in the
>      block
>      * the lower bracket uses 3 8mm studs in the front housing (is this part
>      of the housing strong enough?)
>      * Alternator slide adjuster cut down from stock Rensis part
>      * 12mm, 4" diameter idler pulley
>      * Stock water pump pulley used to underdrive the alternator
>      * Very ugly welding 8-)
> >      Scott Gettings

> Scott,
> Looks like a very good solution to me.  Let me ask one question. Since
> the alternator is adjustable, is the idler really necessary?
> > Mark S.
>
MARK, I DID NOT SEE THE PHOTO, BUT IF IT IS A SERPENTINE BELT, YOU NEED SPRING LOADED
IDLER (ops, sorry for the caps). I had my belt tensioned with the alternator, but
was starting to slip above 4000 rpm.
Buly

My stock RX-8 does not have any spring-loaded tensioners for its
serpentine belt.  It uses the sliding-bolt device (as on these pix) for
the alternator, and a separate, fixed tensioner for the other accessory
belt. Notice in my application the amount of wrap on each pulley is
substantial.  With adequate tension, there is no reason for it to slip.

Scott Gettings



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