Thread: Questions about a 1986-1994 block I would like to purchase.

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You might have missed it,but you can use a two pc seal crank in a one pc seal block by using a rear main seal adapter.

I also suggest you re-read what Pat posted about how to finish bore/hone a block once you have the pistons.It is a important point because your considering a block already bored .030 over.

Thank you for bringing that point up about the adapter. Which is the best way to go? Reason I ask is that I have my original balancer and my flex plate. If I order a kit that has a 2 pc crank, I won't need to buy a new balancer or flex plate I assume, where as if I buy a 1 pc crank, I guess the bolt pattern on the crank is different. Very good point. Does Jegs or summit sell the adapter? Will I be able to use my oil pan as well. I would think so.