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Old 05-09-2010, 01:54 PM   #1
Candy-Man
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Default 10 Bolt Third Member, 2.23 Gear Ratio

Looking for the Chev car which had a 10 bolt, 2.23 ratio third member ? Anyone have any idea's.... Diesel powered possibly....

No it is not for the street, it is for a Bonneville car...
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Old 05-09-2010, 02:01 PM   #2
Hubbcat
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

bought a chevy malibu 78-80 axle that had some thing like that but it was the 7,5 type.
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Old 05-09-2010, 02:11 PM   #3
Candy-Man
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

Quote:
Originally Posted by Hubbcat View Post
bought a chevy malibu 78-80 axle that had some thing like that but it was the 7,5 type.
Thanks for your reply.... My buddy is running a 10 bolt in his Bonneville car with hydraluic tubing used for axle tubes adapted to Ford 9" axles..... However; he purchased the gears off of ebay and the seller was not aware of what the donor car was...
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Old 05-09-2010, 02:58 PM   #4
frank dog
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

Didn't find the gear ratio your looking for,but I came across this web site.It has ID info on 10 bolt rear ends.

http://www.348-409.com/differential.html
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Old 05-09-2010, 04:13 PM   #5
F&J
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

Any chance there is the GM part number stamped into either gear? I thought some were marked?

If so, do a google like " GM 3xxxxxx " sometimes you will get a match. If no match, bring the number to a friendly GM parts counter guy.

best I can do.
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Old 05-09-2010, 04:28 PM   #6
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

The only one I know of that's close is the 12 bolt car '65 to '70 could be special ordered with a 2.29. Very rare.

Never heard of a 2.23 in an 8.5 10 bolt. Seems pretty likely though. I've seen 2.41s. Maybe try to see what GM full size diesel cars had for a ratio in the '78 to '84 era .

Steve weim55 Colorado
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Old 05-09-2010, 05:11 PM   #7
Larry T
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

A lot of the Firebirds with 8.5" 10 bolts had REAL tall gears. Does 2.29 sound right?
Larry T
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Old 05-09-2010, 06:20 PM   #8
Rudebaker
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

You looking for a carrier or gears? I've never heard of 2.23 gears for a 10-bolt but I wouldn't be surprised. If you already have the gears a 2 series carrier from a 2.41 or 2.56 should work and I believe Larry T is correct on the 2.29 geared 'Birds. I think a lot of the late 70's early 80's full size GM's had 2.29's too.
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Old 05-09-2010, 06:24 PM   #9
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

Quote:
Originally Posted by Larry T View Post
A lot of the Firebirds with 8.5" 10 bolts had REAL tall gears. Does 2.29 sound right?
Larry T

Larry: You are probably correct on the gear ratio, as I was not sure on the ratio, just going from memory.......

Thanks.....
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Old 05-09-2010, 07:56 PM   #10
B Lawrence
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

Neil......Garys 2.29 set is out of 78 malibu and his 2.41 set came out of a Irac eee taxi. Still running the 2.29"s no probs......see ya.
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Old 05-09-2010, 08:05 PM   #11
Pete
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

Candyman,

I have one of those rear ends in my shop. It's a 10 bolt Posi.

Pete-
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Old 05-09-2010, 08:07 PM   #12
SafariTow
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

GM made a 2:14 in a 10 bolt metric 7.5 around late 70's through 84 i think, hard to find. monte carlo, regal, ect. I had to go with a 2:41 for my Diesel Hot Rod.
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Old 05-09-2010, 08:49 PM   #13
lincolnolli
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

My 78 Chevy Monza came with 2.29 from the factory.
10 bolt axle but 7.5"

Ollie
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Old 05-09-2010, 10:03 PM   #14
Hnstray
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

The '79 (only) Cadillac Seville has a 2.28 10 bolt ........either an 8.2 or 8.5......I have one I was planning to use on a pickup project...........The '79 also has 5 x 5" wheel bolt pattern........earlier versions ('76 & 77.....not sure about '78) have 5 x 4 3/4" wbp.............The width hub face to hub face is 59" (maybe 59 1/2) they are disc brake equipped but will take normal 10 bolt drum backing plates.

Ray
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Old 05-10-2010, 07:41 AM   #15
Candy-Man
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Default Re: 10 Bolt Third Member, 2.23 Gear Ratio

Excellent thanks guys....
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