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Hi all, and FE I am sure you will chime in.

I bought what is tagged as a 66 390. Everything says oat a 66 but the crank is odd. I attempted to put both a flex plate of a 360 and a fly wheel off a 390 and the bolt holes do not line up. It fits with no slop over the crank but can only line up 4 of the 6 bolt holes. Both flex plate and fly wheel are off of late 60s early 70s trucks. Oh and engine was out of a 66 Galaxie waggon.

What do I have or don't have? Only 4 bolts holding on a fly wheel can work...but not smart to do.

Thanks,
Coal
 

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If they don't line up you have to rotate it, see if that lines up. If not, rotate it again, see if that lines up, etc. Even a 429 wheel will bolt up.
 
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