got bored so started welding my frame back together

got a question ...

Will a dana36 differential physically bolt up to a dana44 batwing?

I understand the top bolt difference, but what I am asking will the other bolts line up to temporarily use a dana 36 to get my suspension swap lined up?
 
I got the differential center mount from kidvette, so a little more welding was done, not finished on one side of it. This area will again be altered for the c4 differential mount.

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Here is the issue with the c4 batwing on a c3 frame, for one the c4 batwing is to short and the c3 mounting brackets are to wide

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question, it is my understanding the c3 wheel base is 98" so if I position front suspension correctly I wont even need the rear suspension from the 82 frame. All I would have to do is make a jig to establish a 98" center to center axle measurement for the wheel base to be correct. Does this sound right?
 
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