12 Bolt O Type 28 Spline axles?

Old August 1st, 2011, 11:18 AM
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12 Bolt O Type 28 Spline axles?

Any idea where I can find axles for 12 bolt o type with 28spline. They seem impossible to find. 68 Cutlass 4 door
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Old August 1st, 2011, 12:02 PM
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are you looking for used?
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Old August 1st, 2011, 12:06 PM
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Originally Posted by jensenracing77 View Post
are you looking for used?
I prefer new but I haven't found anything less than $229.95 each + shipping. That is way out of my budget I am just a college kid with an old daily driver.

If my other option is used I would be interested as long as is it in great shape and a decent deal. If you have something shoot me a PM.
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Old August 1st, 2011, 12:26 PM
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there should be several people here that have good used ones. are you wanting one or two? i have one good extra one. i would wait and see if anyone else has something first. i may be able to come up with a set but will have to look.
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Old August 1st, 2011, 12:27 PM
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Originally Posted by jensenracing77 View Post
there should be several people here that have good used ones. are you wanting one or two? i have one good extra one. i would wait and see if anyone else has something first. i may be able to come up with a set but will have to look.
I need 2. I am located in California.
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Old August 1st, 2011, 12:50 PM
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I have a pair with just over 100k on them. Pm sent.
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Old August 2nd, 2011, 04:46 AM
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If you have a 68,then your axle shafts have the sealed bearing,with the seal pressed into the axle tube.These shafts are notorious for having the bearing spin on the shaft,thus leaving them useless.The best thing to do for the used shafts is to have the bearings removed,and check the surface where the bearing presses onto.If it is undersized,compared to the rest of the section,then it is no good.A good,usable pair of shafts can be had for abouit $100.00/pr or possibly less.A new pair will be about $280.00.
Regardless if you choose new or used,when you have the new bearings pressed-on,apply a small amount of red lock-tite on the surface where the bearing will be pressed onto,to give it a little more insurance of not spinning.
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Old August 2nd, 2011, 06:45 AM
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Hey Mr. Trick.
These axles in question just happen to be the ones from the housing I sent out to you. How did everything check?
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Old August 2nd, 2011, 06:55 AM
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I have that housing tanked & blasted,and will be building it later this week.Everything looks great.No signs of previous failure.
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Old August 2nd, 2011, 09:08 AM
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That's good news.
I hope these parts work out well for everyone. I try to save things for people when possible. (If they're not junk that is)
If Peter on here ends up wanting the gearset, I will have effectively saved the entire rearend from the junkyard crusher, and found every piece of it a good home.

Go TEAM!
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Old August 2nd, 2011, 09:11 AM
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Thanks to all of you. This forum is full of great people.
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Old August 16th, 2011, 08:07 PM
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I need one. I had my rear blasted and hot tanked. I had the flanges cut down a little to mount disc rotors and had new studs pressed. I am having all the bearings and seals replaced and the gears reset. When he was cutting one of the flanges he realized one of the axles has a slight bend. He found one local for $100, anyone in NJ have one for less?
Thank you,
Bill Caprio
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Old August 16th, 2011, 08:41 PM
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The 70 O-axle shaft is a one-year-only shaft.It looks identical to the 71-72 8.5" 10-bolt shaft,but the pitch of the splines is different,and a 71-72 shaft will not mesh with teh O-axle carrier splines.
I should have a good 70 O-axle shaft. $80.00 shipped to NJ.
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Old August 16th, 2011, 10:52 PM
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Hey Brian,
I will find out on Wednesday from my guy working on the rear. He said he could get one but the guy asked him specific measurements like the distance from the outer face of the flange to the end of the axle which is 29-3/4" and from the outer face to the bearing block I believe which he said was 3.05". He said they made a few different sizes but not sure if my guy realizes it is a 70 rear. I had no idea there was a difference like the angle of the splines and he may not either. Thank you for that information, I will get back to you either way for sure as soon as I talk to my guy.
Thank you,
Bill
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Old August 18th, 2011, 10:01 PM
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Hey Brian,
It turns out he has the correct axle for my rear and will do the same $80. so my builder will pick it up and we will take it from there. Thank you for your help in this matter.
Bill Caprio

Last edited by 70OldsRear; August 18th, 2011 at 10:04 PM.
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