Thanks for that and I think I had it all pictured right. I'm going to lengthen the lakester switching to a car motor and the 101 and looking again yesterday at the 101 feel I will have the car length to work with the transmission as is but who knows about the future when it might be nice to cut the driveline length back for packaging.
I already have had a short driveshaft made up and would want to stay with that so would need a new back plate like you made with just a seal in it. This is something that could be made say this next winter or later. If it is something you might be able to do PM me a price for one and I'll get back to you and thanks again.
On a different note the following ....
.....There is separate input and output (or tail) shaft......
..... reminded me of something you might or might not know about. There is a needle bearing up front where the output shaft rides inside of the back of the input shaft. G-Force told me recently that if we flat tow the cars for some distance on the salt and that bearing isn't getting lubed that it could fail. They went through a couple possible ways to do that.
I'm guessing that if the input shaft is turning and the drive gears are turning they are picking up oil and slinging it up into the area where the needle bearing is and if you are towing then the output shaft is turning in the bearing but maybe no oil is getting up to that area. One thing that I think helps in our case is that with the 2.47 rear gears and towing the car under 40 mph the output shaft isn't turning that fast. If we get to go this year we might try and tow a little slower.
We have towed the car a lot on the salt and it has never been a problem, at least we think the bearing hasn't been hurt but we will probably address this over the winter. Not sure how you are going to move your lakester on the salt but you might want to talk to them about it. I'll do something about it for the 101 that I have for the lakester. The 101 Hooley bought for the Stude has provisions for an external pump for lube and we might be able to use that with his. We won't know until we can get to the transmission and take some pictures of it and send them to G-Force as they had different versions of the ones setup for the external pump and I guess some lube the needle bearing area and some don't.
Sumner