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Old 02-10-2005, 10:00 PM
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69 Chevelle 10 bolt rear help!!!

I've been told that its an 8.2 10 bolt open rear. I want to convert it to a posi rearend. Do i change the bearings and axles along with the carrier?? What steps should i take to completing this project??
Thank you

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Old 02-10-2005, 10:12 PM
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I would change it out for a 12 bolt. Should be easy to find.
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Old 02-10-2005, 10:13 PM
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I say it all depends if your buying new or used.

First off, if your axles are straight, then leave them be, and if the bearings on the axles are fine, leave them be also.

As for the carrier, if it's used, and the guy you bought them off of left the bearings and races on it, and they look good, then use them. If it is a new carrier, then go ahead and get a kit that has timken bearings and everything with it.

If the carrier is good, and you trust the sellers word, I would buy used.

I suggest buying all new stuff when replacing gears though.
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Old 02-10-2005, 10:17 PM
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I would like to just keep the gears and change the carrier. if other things need to be replaced then ill replace them. a 12 bolt is to expensive.
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Old 02-11-2005, 06:15 AM
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Real 1969 SS396's have a 12 bolt.....


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Old 02-11-2005, 07:54 AM
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Quote:
Originally posted by ss396si
I would like to just keep the gears and change the carrier. if other things need to be replaced then ill replace them. a 12 bolt is to expensive.
The cost of a 12 bolt would be just a tad more than if you decided to overhaul the 10 bolt properly. But it may cost you in the long run, once you blow that rear from putting any kind of torque to it, especially from a big block, then have to replace it. So you would have the cost of the rebuild of your current rear, and the cost of a new. Save up and get you a 12 bolt.
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Old 02-11-2005, 09:14 PM
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Doing the work yourself (minus press work if you don't have one) will pretty much cost around $500-$750 just for the overhaul kit and posi/limited slip you choose to use for your 8.2.

You shouldn't have any need to replace the axleshafts unless they visually look worn to where you don't trust to keep them.

A complete new 12-bolt or replacement 9 inch runs around $2000 in most magazine ads.
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Old 02-11-2005, 11:41 PM
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1st- i would like to know how to measure my gear to know if i have an 8.2 for sure?
2nd- how to measure the spline so i know if its a 28 25 etc?
3rd-i just want to change the carrier and bearing.
thanks
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Old 02-12-2005, 05:15 AM
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Quote:
Originally posted by ss396si
1st- i would like to know how to measure my gear to know if i have an 8.2 for sure?
2nd- how to measure the spline so i know if its a 28 25 etc?
3rd-i just want to change the carrier and bearing.
thanks

Check this site out.
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Old 02-12-2005, 07:40 PM
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thank you very much for that link. I think i have a 8.5 because i have 2 lugs underneath the cover.
i should be safe if i change the carrier and bearings?
i have a 355/350 setup..
thank you
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Old 02-12-2005, 08:12 PM
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Knowing what is in front of the rear, and it is a 8.5", you should be fine with that. Good luck...
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Old 02-12-2005, 08:15 PM
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im still goin with the carrier and bearings, it wont blow up on me by just changing that.
no torque sttings or anything or that nature?
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Old 02-13-2005, 12:56 PM
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Quote:
Originally posted by ss396si
im still goin with the carrier and bearings, it wont blow up on me by just changing that.
no torque sttings or anything or that nature?
Yes, there are torque spec's for bearing cap bolts and you will have to do the full ring gear run out check, check the pinion depth and backlash just as if you were changing gear sets. The pinion depth might check out ok but if it's not you will have take out the pinion gear and press off the bearing to change the shim.
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Old 02-13-2005, 01:32 PM
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Go to Summit and check out part number PWT-92-0782-2805.

You won't have to worry about cap torque values, bearing pre-loads, pinion depth, backlash, tooth pattern.
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Old 02-13-2005, 08:06 PM
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thats for an 8.2, i took a good look at the cover it has to lugs underneath it. It may be the 8.5
thank you
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