Found a 14bolt.

[SkyHighColorado]

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They say $126 out the door. Sounds like a good deal to me. My questions are, why does the rear end have a hole punched in it, and what else do I need to check out that's important? I will be regearing and doing a rebuild anyway.

 

[JollyGreen]

If you're rebuilding it really shouldn't matter. As long as the casting is in good shape, you shouldn't have a problem. I would want to know why there's a hole in it though. LOL.

 

[SkyHighColorado]

Also considering rebuilding my 10 bolt, but now I feel like an idiot because I don't know what size I have? is it a 7.5" 8.2" or 8.5 inch rear end? looking for rebuild parts on ebay.

 

[JollyGreen]

Should be an 8.5 and the front is 8.25.

 

[92gmc4x4]

they probably punched a hole to drain the oil out of it if thats at a wrecking yard

 

[eg30.06]

pull the cover off and take a look in there and see if anything looks good.

 

[great white]

Looks like two holes: one in the middle and one on the bottom with a red plastic plug in it. Probably to drain the oil for enviro reasons.

It's the "little" 14 bolt so semi floater and smaller ring gear:

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Nice step up from a 10 bolt though.

 

[SkyHighColorado]

Thanks for pointing this out greatwhite! so what is the difference between this 14 bolt and the other 2 14 bolts. I have a 4.56 gear ratio and 35's and I drive it nice on the street, but hard off road, and lots of mountain snow driving. So I'm guessing I should get the strongest one if possible and it needs to the a 6 lug.

 

[great white]

Thanks for pointing this out greatwhite! so what is the difference between this 14 bolt and the other 2 14 bolts. I have a 4.56 gear ratio and 35's and I drive it nice on the street, but hard off road, and lots of mountain snow driving. So I'm guessing I should get the strongest one if possible and it needs to the a 6 lug.

Ring gear size and semi vs full floating axles.

6 lug axles were semi floaters, full floaters are 8 bolt.

With a full floating design, the axle shaft is much less stressed and if you do manage to break a shaft the wheel doesn't depart the axle.

A semi floating axle is a great step up from a 10 bolt and will let you keep your 6 lug wheels. You have to be doing some fairly serious off roading or turning pretty big tires with some abuse to kill a semi floating 14 bolt...