Can anyone recommend a harmonic balancer for a 1978 360 engine. I have a vibration in park and neutral, and at at about 3000 rpm. The motor and trans mounts have just been replaced (quality parts) The torque converter weights are in place. The engine was rebuilt about 3 yrs ago and the crank was balanced. I checked the harmonic balancer to see if it shifted. I checked TDC with a TDC tool (in the spark plug hole). TDC matches turning the engine both ways. I don't think the balancer was...
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