I'm working on getting the transmission adapter onto my 700R4 for the swap. The kit came with some studs to put in the transmission and the adapter slides over the studs and you put the nuts and lock washers on.
Well, I put the studs in and they weren't going in past the first couple of threads without some resistance. So I double nutted them and turned them in to the recommended install depth. On the top, they went through the bosses with no problem. On the bottom, I ran into a problem.
The bottom two holes are blind holes and I ran the studs in too far and broke through the casting. They didn't get noticeably harder to turn so I blew right through the end on both sides.
Before I go to the transmission shop and ask the people who have a vested interest in selling me a new transmission case and the labor to swap the guts over, I wanted to ask people here what they think.
Here's a picture of the passenger side break through. It's open to the outside so I'm not necessarily as worried about it.
The drivers side is what I'm more concerned about. It opens up into a fluid passage.
That's the inside of the governor housing and it's a space where fluid will be in constant contact with the hole.
The biggest question I have is whether the damage is structural enough to need a new case. Do I need to swap all of the guts from this transmission to a new case or can I get by with just sealing the hole on the drivers side with some thread sealer or RTV?
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