signalb Posted February 3, 2010 Share Posted February 3, 2010 Is the A518 Transmission a direct swap for the A904 or is the Bell Housing bolt pattern different and the transmission itself a different length? I have a 1986 MJ with the 2.8 v6 and A904 with NP207 transfer. Quote Link to comment Share on other sites More sharing options...
signalb Posted February 4, 2010 Author Share Posted February 4, 2010 Anyone? Are there any alternative transmissions that will bolt up to my existing setup and provide overdrive? Quote Link to comment Share on other sites More sharing options...
Geonovast Posted February 4, 2010 Share Posted February 4, 2010 Have you considered converting to a manual? Quote Link to comment Share on other sites More sharing options...
jimoshel Posted February 4, 2010 Share Posted February 4, 2010 Might want to think about getting a Chevy S10 Tranny. They're a dime a dozen, as compared to MJ's. Only problem I see might be the drive shaft to the TC. Quote Link to comment Share on other sites More sharing options...
Geonovast Posted February 4, 2010 Share Posted February 4, 2010 Might want to think about getting a Chevy S10 Tranny. They're a dime a dozen, as compared to MJ's. Only problem I see might be the drive shaft to the TC. S10s run a divorced case? Might be fun to get that to work in an MJ. Also, you need to consider electronics. The 904 (IIRC) is a completely hydraulically controlled trans. Quote Link to comment Share on other sites More sharing options...
jimoshel Posted February 4, 2010 Share Posted February 4, 2010 PM sent Quote Link to comment Share on other sites More sharing options...
signalb Posted February 4, 2010 Author Share Posted February 4, 2010 What about the 727? I heard its a beefier version of the 904 and seems to have more options for it but not sure if it would line up. I saw an article on taking the back end of a 518 (would need the 4x4 version) and mating it to a 727. After that you add a couple extra parts that come in a kit for 85 bucks and voila you have a tranny with overdive. Not sure If it would work on the 904 though. Here is the link to the kit: http://www.redrider.us/727_transmission.htm Its called the "PATC 727 to 518 Conversion Kit". Quote Link to comment Share on other sites More sharing options...
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