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Jigsaw (47 CJ-2a)


I had to open the transmission to install the adapter and what I found wasn't good.  The main gear (input shaft) was missing roller bearings so I started digging in and also discovered that the 2 of the 3 synchronizer plates were missing as well.  It was at this point I decided that a complete rebuild was needed.  I eventually found some of the needle bearings in the bottom of the case buried trans oil that was as thick as mud, those got tossed. I never did find those synchronizer plates.

The rebuild went smoothly, installed the new adapter and gear and the trans mated up with the Dana 20 like it was made for it.  Next step is to get is mounted to the engine so I can mock up everything in the chassis.   

Ran into the first hurdle with the transfer case.  The rear axle is a D44 from a later model Jeep with a center diff, the stock transfer case is set up for an off set diff. A little research and it looked like using a swapping the Dana 18 with Dana 20, just needed to mate it with the T-90.  Novak had an adapter so I got that.  Next hurdle was finding the right main gear and figured out I needed an 18-8-46.  Thankfully, I was able to find that Ebay. 

All I need to do is put it all together but that being put on hold so I can focus on my CJ-5.

Nearly 20 years ago, we bought a 1947 CJ-2a.  In place of the original motor was a Ford 302 mated to the stock tranny that was blown (owner said it was the 3rd one and couldn't figure out why he was having an issue).  Beyond that, everything else was in fairly good shape and it was cheap.

The Motor, tranny/trans, and axles were pulled. In its place, stock running gear from a 75 CJ-5 was installed (with a front disk brake conversion).  For a motor, my Brother had installed a Ford 1.9 from my old Escort. Yup, it was mounted and mated up to the T-15 from the CJ.  Unfortunately, he was never able to complete the project and I spent a lot of time trying to figure out next steps.  While it would have been neat to have the Ford motor, I had a lot of doubts that it would work and just didn't want to deal with it.  I really wanted to go stock so that's what is going to happen.

Out came the Ford Motor and now I have a rolling frame and a ton of pieces ..hence the name Jigsaw.


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