87 GN rear in a 64' Lark (or other A body...)

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Good evening Gentlemen(....and Lou!),

I know this is do-able with some minor adjustments. I have heard the UCA's need to be fab'd or adjustable ones used.

Would anyone that has done the swap be willing to kick down the UCA specs or dimensions, adjustable or otherwise?

I'm at the point where I need to make the swap and was hoping for some solid info before I end up with two non-rolling chassis beside the garage....


Any advise would be greatly appreciated.