Quote:
Originally Posted by DW SD
Steve,
When the factory used the 964 crank, did they run a special harmonic balancer? Or leave it off? Patrick Motorsports claims no reported crank breakages with the use of their crankpulley for eliminating the harmonic balancer.
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Doug,
The factory used a simple pulley; plain sheave and later, multi-ribbed for durability.
No additional balancer was used. The Patrick pulleys are OK, but a bit small so we make a larger one that maintains fan speed and cooling.