There is an Australian company that makes harmonic balancers. The will custom make them to any size, width, belt profile, how ever you want them they will build it. They also offer a lifetime warranty on them no matter what the application including racing. They are however pricey as you can imagine. I think from memory they are in the vicinity of $800 AUD. But I suppose if you are sinking 5k+ into a motor $800 is nothing compared to the cost of the vibration loosening your rod bolts.
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Is the issue with the 4cw crank its vibration i.e could a decent harmonic balancer fix it or is it the vibration problem due to the 4 cw cranks lack of rigidity
:| ROSS Tuffbond |: - ROSS Racing, ROSS Balancers, Heavy Duty Harmonic Balancers, Automotive Parts, Bus and Truck Components |:
Is the issue with the 4cw crank its vibration i.e could a decent harmonic balancer fix it or is it the vibration problem due to the 4 cw cranks lack of rigidity