Reply to "Harmonic Balancer"

No worries on rebalancing the rest of the engine with a new 28.2 inch-oz harmonic balancer. An SFI rating is only insurance so may not be necessary if you feel lucky.... I personally use a Romac balancer since it has the following advantages: it is constructed such that it CANNOT come apart or mis-index while running, it is fully degreed around its pheriphery which makes setting valves & timing easier, and it is fully rebuildable (by Romac-USA). I do spin the engine above 6000 now 'n then; note that most ANY 351-C will go to 7000+ under light load if you hit neutral or grab 2nd instead of 4th when downshifting. I'd worry more about a stock iron flywheel breaking at high rpms than a stock-type balancer. Good luck- JD

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