Fsj Super Swamper Posted June 24, 2008 Share Posted June 24, 2008 What kind of gearing would have come stock in a 1986 MJ Comanche 4wd, with a 2.5 motor, Automatic transmission, Dana 30 front & Dana 35 rear? Link to comment Share on other sites More sharing options...
comancheman Posted June 24, 2008 Share Posted June 24, 2008 i believe that was one of the few that came with the 4.56 ratio Link to comment Share on other sites More sharing options...
SuperWade2 Posted June 24, 2008 Share Posted June 24, 2008 What kind of gearing would have come stock in a 1986 MJ Comanche 4wd, with a 2.5 motor, Automatic transmission, Dana 30 front & Dana 35 rear? If you have the truck, you should be able to check the Tag on the Pumpkin if it hasn't been messed with or rusted off... Link to comment Share on other sites More sharing options...
Fsj Super Swamper Posted June 24, 2008 Author Share Posted June 24, 2008 What kind of gearing would have come stock in a 1986 MJ Comanche 4wd, with a 2.5 motor, Automatic transmission, Dana 30 front & Dana 35 rear? If you have the truck, you should be able to check the Tag on the Pumpkin if it hasn't been messed with or rusted off... The tags are rusted off..........................Thats why I'm asking....... Link to comment Share on other sites More sharing options...
Pete M Posted June 24, 2008 Share Posted June 24, 2008 Could be 3.55 or 4.10. As far as I can tell, 4.56 wasn't an option in 86. Jack up one of the rear tires and put the truck in neutral. Spin the free tire around twice and carefully count the revolutions of the driveshaft. If it goes around three and a half times, it's 3.55. If it goes around just a bit more the four times, it's 4.10. If it's something else, let us know. :D Link to comment Share on other sites More sharing options...
Eagle Posted June 25, 2008 Share Posted June 25, 2008 With an automatic, it could well have been 3.73s Link to comment Share on other sites More sharing options...
chicofuentes0224 Posted June 25, 2008 Share Posted June 25, 2008 Oh good, so it's either 3.55, 3.73, 4.10, or 4.56 :rotfl2: Link to comment Share on other sites More sharing options...
SuperWade2 Posted June 25, 2008 Share Posted June 25, 2008 Oh good, so it's either 3.55, 3.73, 4.10, or 4.56 :rotfl2: Well that pretty much clears it up now doesn't it? Link to comment Share on other sites More sharing options...
mvusse Posted June 25, 2008 Share Posted June 25, 2008 Oh good, so it's either 3.55, 3.73, 4.10, or 4.56 :rotfl2: Well, at least people agree it would NOT be 3.07 :roll: Link to comment Share on other sites More sharing options...
Fsj Super Swamper Posted June 25, 2008 Author Share Posted June 25, 2008 i pulled the diff cover & its got 4.11 gears Link to comment Share on other sites More sharing options...
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