Need help with vibration in 67 mustang
A friend of mine purchased a 67 mustang with an unknown history. There is a major vibration near the rear of the engine, it is so bad that you think a cylinder is misfiring at first but when you check all are firing. I think that someone has installed a 302 and not changed the flex plate (3 speed automatic) to suit. The flex plate has 2 very small balance wieghts. Any Ideas as to how to find out the correct combination?
Thanks
Micro
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