Mine is approx. 6" in diameter. Hard to get more exact. Another pulley, the
water pump, comes in different sizes, turning at different speeds, and
requiring different v-belts.
Ken C
'72 Spit
>
> Can anyone with a 72 Spitfire tell me what the outside diameter your crank
> pulley is? I've got a 72 engine in my 63 and I used the water pump, fan
and
> generator from the 63. The pulley on the 72 is much larger than the 63
> pulley and I'm concerned about over spinning the generator and fan. I
think
> the pulley that came with the 72 engine is a later one because its got a
> second belt groove (air pump maybe?). Is there a smaller pulley that will
> fit on the 72 engine? If not, is the plastic fan from the 72 quieter than
> the 4 blade metal one from the 63? At speed the metal fan is very loud.
> Thanks
> MikeC
>
>
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