gear identification

[reptile610]

was told when i bought the cj that it had a dana 30 up front and amc 20 rear both are locked but wasn't sure on the gears.

front diff








rear diff






no idea about the front but it looks like the rear is welded.

so.... what do i have here

[BlacXJeep]

looks like its open up front to me sir

[Bill3753]

You have 3.73's.

[reptile610]

cleaned them out with a rag and then put them back together. filled up the front and most of the rear but noticed it was seeing slightly so i stopped and am going to check it tomorrow after the rtv sealer has finished hardening

[Mr Rock]

front is open!
Bill, as usual is correct. the 41 11 stamped in the ring gear tells you that the ring has 41 teeth and the pinion has 11, 41/11=3.72272727....

[Bill3753]

Look at this on my phone earlier and didn't feel like typing much on there.  Anyways, like I said earlier definatly 3.73's.  As others have mentioned, definatly open diff on the front.  As you already mentioned, the rear is welded.  However, those welds don't look the greatest specifically on the upper side of the carrier to spider gear weld.  If it were me I'd run it till it broke that way, but I wouldn't push it hard it you want it to last.

[Mr Rock]

Look at this on my phone earlier and didn't feel like typing much on there.  Anyways, like I said earlier definatly 3.73's.  As others have mentioned, definatly open diff on the front.  As you already mentioned, the rear is welded.  However, those welds don't look the greatest specifically on the upper side of the carrier to spider gear weld.  If it were me I'd run it till it broke that way, but I wouldn't push it hard it you want it to last.

Yes, but you are Mr Overkill! the welds will hold up for most wheeling, I would have no problem running 33's on that rearend, but I would think about if you run 35's

[gearhead1985B]

i thought you was selling it but just get it road worthy and drive the piss out of and fix it as you break it and if you find cheap front fenders on craigs list buy them cause you will hit a tree

[reptile610]

i thought you was selling it but just get it road worthy and drive the piss out of and fix it as you break it and if you find cheap front fenders on craigs list buy them cause you will hit a tree

haven't you learned from me yet that i change my mind about 100000 times.  no longer for sale but being moved up to my old high school and my brother is going to mess with the electrical nightmare up there. it's free labor and i don't have to worry about where to put the jeep until school lets out which hopefully by then i can drive it.

[gearhead1985B]

i thought you was selling it but just get it road worthy and drive the piss out of and fix it as you break it and if you find cheap front fenders on craigs list buy them cause you will hit a tree

haven't you learned from me yet that i change my mind about 100000 times.  no longer for sale but being moved up to my old high school and my brother is going to mess with the electrical nightmare up there. it's free labor and i don't have to worry about where to put the jeep until school lets out which hopefully by then i can drive it.

just bring it to me and i will fix it all but i need 10k for parts

[Mr Rock]

just bring it to me and i will fix it all but i need 10k for parts

Even then it won't be finished! lol

[reptile610]

Just Empty Every Pocket