Quote:
Originally Posted by gmc684x4
That bellhousing also has two different hole sizes one for sm420 sm465 has a larger hole
I can not say if crossmember differs
In c10 trucks they moved the v8 further ahead inches frame to a 6 cyl which was in in back set of engine mount holes
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Left SM420 Right SM465
That crossmember looks like a 6cyl. I could be wrong. GrumpyOldMan would know