I sketched a modification to the existing pulley to change it to a flange.
Then I gave it and the pully to a machinist and had him turn me an alloy
pully that attaches to the resulting flange.
$35 or so dollars about 14 years ago.
> Hello:
>
> Thanks to all of you that responded to my question regarding the TR4 water
> pump pulley. Seems aluminum pulleys are pretty hard to find, especially as
> a
> stand alone product. I did find one supplier who had one but only they are
> only available as part of a kit which includes the alternator and crank
> pulleys. With your help I have two solutions to my damaged pulley:
>
> 1. Bore, sleeve and machine the existing aluminum pulley which costs much
> less than having to buy a whole pulley kit (I already have the alternator
> and
> crank aluminum
> pulleys).
>
> 2. A GT6 pulley uses the same thinner fan belt as the aluminum pulley but
> requires some modification to fit the standard TR4 water pump. However, it
> should be more
> durable than the aluminum pulley. I found a stock GT6 pulley for $10.
>
> I've decided to do both and use the modified GT6 pulley as a backup.
>
> Gary
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