blackflag
Full Access Member
I have an 1986 6.9 that's blown and am looking for a used engine and am thinking about going with an IDI 7.3. I found one out of a 93 that was mated to a manual transmission but can't seem to find an answer if a c-6 will mate up to it. I would assume the back of the 6.9 and 7.3 were all the same but don't want to take the chance without checking with the knowledgeable folks here. I'm thinking that in either 93 or 94 Ford went to the E4OD tranny and wasn't sure if the bolt pattern in the block changed or not.