904 Disassembly Results and Questions

Dodge72 said

Hey all. I got that book plus the ATSG manual (plus the factory manual!). ave 4 clutch plates per drum in there. And yes, I'm just going to replace all steels and clutches in both drums; there was some worn in the front

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drum so there's no reason to throw them back in. Everything is from a V8 904: the only thing I wanted from the /6 904 was the valve body for the 71+ partial kickdown.

I also took a caliper to my rear planetery thrust washer and it was at .046". Front one measured at .18". They both look like they were worn down to copper so I am currently looking for new ones. And by the way, both front and rear are 4 pinion planetaries.

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The book from Tom Hand is good and well-illustrated, but you did right getting the year correct service manual for your transmission - 904s changed over the years. Use the Tom Hand transmission book as a general guide, but when it comes to specifications/measurements stick strictly to the shop manual. Since Tom Hand used a later year 904, you might find some differences. Always compare both books, never rush, measure twice, and keep everything organized and clean.

My carelessly thrown together 904 overhaul kit from A&Reds contained a lot of parts, but many were not correct for the early transmission I have. Means, I had to order quite a few parts separately. Regarding parts, I liked://www.wittrans.com/, but you need to find the part# first - Mopar parts catalog or Trans Parts Online 904 904 Transmission Parts can help here.

Torque converter - go for a well-established builder with a high reputation and good customer/tech service

Regarding shift kits - since I like it original, I have not really a clue.

Good luck and happy building,

Wolfgang