Reply to "Harmonic Balancer"

Thanks Jack! I plan on limiting my RPM to 6,000-6,500, and will put a decent spring on the valves, but don't expect to exceed lift by .550".  I will run a flat hydraulic lifter (not sure which one) with a good rocker arm and push rods. I doubt I need to go to the expense of an SFI balancer. The balancer below would seem to meet my needs, with medium duty design.

 https://www.summitracing.com/p...amily/ford-cleveland

 One more question, my motor was balanced during a rebuild by the previous owner with the OEM balancer. If I changed out the balancer do I need to have it rebalanced?

Last edited by tomsealbeach
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