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New 10 bolt pics

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Old Mar 3, 2019 | 02:32 PM
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From: Sophia, NC
Car: 2016 Camaro SS + 1986 Z28
New 10 bolt pics

Soooo the 3.27 9-Bolt is gettin a little old, but I'm not quite ready to drop the cash for a proper 12 bolt/s60/8.8 etc. etc. -also, I wanted to "try" out a 3.42 with my low rev'ing 383 TPI. I may go back down to a 3.27/23 or may keep 3.42 depending on how I like this one. ...that's another discussion for another day. In the meantime, I picked up this drum 10 bolt with a fresh 4th gen torsen diff and a 3.42 for a couple hundred bucks and figured it was a quick cheap way to try a 3.42 and maybe gain a few more years before buying another rear. ....figured some new paint and some Ed Miller drum to disc plates and I'd be good to go on the cheap! ....but I can't do anything half ***, sooooo new everything. NOT the financial best idea for sure. POR15, new calipers, rotors, brake lines, girdle, sway bar bushings etc. etc! ...almost ready to roll. In the meantime, here are a few glamour shots almost bolted in.





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Old Mar 3, 2019 | 04:39 PM
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From: PNW
Car: 91 Black Formula KR
Engine: 305 TPI R69/G92
Transmission: Astro A5-Pro 5.0-McCleod
Axle/Gears: US Gear 3.42 Eaton True Trac
Re: New 10 bolt pics

Nice... should last a while on the street... I have a TPI 305 with bolt on mods and did upgrade parts on my 10 bolt, but again, I don't plan to drag race it / not use drag slicks, etc... Kept it at 3.42 with an Eaton TruTrac, i got an LPW cover, and the kit that welds bars to "reinforce" it....
The brakes on my old one were acting up, so all that redone too... much nicer now
Have since sold the red Spohn torque arm and replaced it with a black UMI one...


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Old Mar 3, 2019 | 09:47 PM
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From: NJ
Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: New 10 bolt pics

nice work !looks good. hope it lasts a while for you
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Old Mar 3, 2019 | 10:22 PM
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From: South Ms
Car: 89 Firebird
Engine: 355 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt.Posi-3.73s
Re: New 10 bolt pics

Great work. My old 26 spline 10 bolt is about worn i need to be thinking of upgrading to 28 spline torsen as well. Looks great under there I've liked everything you've done with that car.
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Old Mar 3, 2019 | 10:36 PM
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Car: 1988 Trans Am
Engine: L03
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73 Open
Re: New 10 bolt pics

Hope it's not a bad plan, because that's what I'm going to do. Looks good.
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Old Mar 3, 2019 | 11:25 PM
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Re: New 10 bolt pics

Thanks guys, appreciate all the feedback!
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Old Mar 4, 2019 | 01:16 AM
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From: Meriden, CT 06451
Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: New 10 bolt pics

Originally Posted by luvofjah
Nice... should last a while on the street... I have a TPI 305 with bolt on mods and did upgrade parts on my 10 bolt, but again, I don't plan to drag race it / not use drag slicks, etc... Kept it at 3.42 with an Eaton TruTrac, i got an LPW cover, and the kit that welds bars to "reinforce" it....
The brakes on my old one were acting up, so all that redone too... much nicer now
Have since sold the red Spohn torque arm and replaced it with a black UMI one...

I have never seen a cover like yours that had those extra bars. What is the theory behind them?
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Old Mar 4, 2019 | 06:47 AM
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: New 10 bolt pics

Originally Posted by NoEmissions84TA
I have never seen a cover like yours that had those extra bars. What is the theory behind them?
Supposed to help prevent housing flex under load. Like the back brace on a 9" rear.
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Old Mar 4, 2019 | 01:12 PM
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Re: New 10 bolt pics

I saw that too....figured it was some sort of brace. Pretty cool looking.
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Old Mar 4, 2019 | 01:35 PM
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From: South Texas
Car: '89 Iroc Z28-15,100 Original Miles
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Limited Slip, 2.77 Ratio
Re: New 10 bolt pics

Saw your pics on Facebook yesterday, nice looking setup. I really like the Yukon Dura Grip 3.42 behind my LS, it responds well.

Last edited by GASPEDDLER; Mar 4, 2019 at 01:47 PM.
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Old Mar 4, 2019 | 01:52 PM
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Re: New 10 bolt pics

LOL, I love that we both have hammers under the car!
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Old Mar 4, 2019 | 03:25 PM
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From: Kylertown,PA
Car: 85 Berlinetta
Engine: 350
Transmission: T5
Axle/Gears: 10 bolt 3.42 with Torsen posi
Re: New 10 bolt pics

I'm in the process of doing the same thing. My 85 has a drum rear in it now. My buddy gave me the old rear from his 91 1LE car. I bought a Torsen posi unit for it. I rebuilt my calipers and painted everything red like you. I got new rotors and pads and all new bearings for the rear. Mine also has the 3.42 gears. Mine isn't near as pretty as yours but will be much nicer than the drum rear under it now.
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Old Mar 4, 2019 | 09:03 PM
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From: Meriden, CT 06451
Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: New 10 bolt pics

...

Last edited by NoEmissions84TA; Mar 4, 2019 at 09:04 PM. Reason: forgot to click quote
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Old Mar 4, 2019 | 09:04 PM
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From: Meriden, CT 06451
Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: New 10 bolt pics

Originally Posted by TTOP350
Supposed to help prevent housing flex under load. Like the back brace on a 9" rear.
Oh OK. I get it. Thanks.
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Old Mar 4, 2019 | 10:10 PM
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Re: New 10 bolt pics

Mine isn't near as pretty as yours but will be much nicer than the drum rear under it now.
Thank you! ....it's a burden really, lol. I can't leave well enough alone. I have to paint, clean or polish everything.
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Old Mar 4, 2019 | 10:42 PM
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Car: 1987 Formula (original owner)
Engine: 305 TPI
Transmission: T5
Axle/Gears: 9-bolt/3.45
Re: New 10 bolt pics

Very nice. You'll definitely feel the 3.42. And after all of that work, having done such a great job, I suspect you'll be happy with it and probably won't consider changing it anytime in the near future.
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Old Mar 5, 2019 | 10:02 AM
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From: Kylertown,PA
Car: 85 Berlinetta
Engine: 350
Transmission: T5
Axle/Gears: 10 bolt 3.42 with Torsen posi
Re: New 10 bolt pics

Originally Posted by Abubaca
Thank you! ....it's a burden really, lol. I can't leave well enough alone. I have to paint, clean or polish everything.
Yeah not even close to being as nice.

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Old Mar 5, 2019 | 07:17 PM
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Car: 86 Trans Am WS6
Engine: 383 stroker
Transmission: 700r4
Axle/Gears: 9 Bolt Torsen 3.70
Re: New 10 bolt pics

That was your car I saw posted on the UMI instagram page lol
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Old Mar 5, 2019 | 08:11 PM
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Re: New 10 bolt pics

That was your car I saw posted on the UMI instagram page lol
haha...yep.

Full Monte, yours looks just fine! I wanted the girdle for a little extra strength, and I needed new lines as I wanted to sell my old 9 bolt with lines for whoever buys it. They were only $30 from Hawk's. ....wouldn't take much to make yours as pretty, and short of the girdle, it's every bit as functional.
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Old Mar 5, 2019 | 08:21 PM
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From: Kylertown,PA
Car: 85 Berlinetta
Engine: 350
Transmission: T5
Axle/Gears: 10 bolt 3.42 with Torsen posi
Re: New 10 bolt pics

Originally Posted by Abubaca
haha...yep.

Full Monte, yours looks just fine! I wanted the girdle for a little extra strength, and I needed new lines as I wanted to sell my old 9 bolt with lines for whoever buys it. They were only $30 from Hawk's. ....wouldn't take much to make yours as pretty, and short of the girdle, it's every bit as functional.
Im not as concerned with getting it perfect. My car is just gonna be a weekend warrior/ autocross car. I saw yours on UMI’s Instagram too. I’m friends with the owner of UMI and live 10 min from their shop. I have a couple UMI pieces for my car and more to come.
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Old Mar 5, 2019 | 08:24 PM
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Car: 1988 Trans Am
Engine: L03
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73 Open
Re: New 10 bolt pics

Originally Posted by Fullmonte77


Im not as concerned with getting it perfect. My car is just gonna be a weekend warrior/ autocross car. I saw yours on UMI’s Instagram too. I’m friends with the owner of UMI and live 10 min from their shop. I have a couple UMI pieces for my car and more to come.
How smooth of a housing did each of you start with? Most of my donors up here are pretty crusty.
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Old Mar 5, 2019 | 08:31 PM
  #22  
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From: Kylertown,PA
Car: 85 Berlinetta
Engine: 350
Transmission: T5
Axle/Gears: 10 bolt 3.42 with Torsen posi
Re: New 10 bolt pics

Originally Posted by DynoDave43
How smooth of a housing did each of you start with? Most of my donors up here are pretty crusty.
Mine was pretty crusty. I degreased really good and scraped the heavy stuff off.i used Extend rust sealer first then some Caterpillar paint that will stick to anything. My car is no show car so as long as I can’t see rust I’m happy.
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Old Mar 5, 2019 | 09:15 PM
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Re: New 10 bolt pics

I saw yours on UMI’s Instagram too. I’m friends with the owner of UMI and live 10 min from their shop. I have a couple UMI pieces for my car and more to come.
That's cool! They gave me some awesome customer service way back and I've pretty much been a fan ever since. I have pretty much everything I need from their catalog. Don't feel I need tubular A arms....bought caster camber plates before they made 'em, and their STB brace doesn't fit SLP runners. ...well I guess their lowering panhard relo kit too. Ok ok, so I have over HALF of their thirdgen offerings!!!

How smooth of a housing did each of you start with? Most of my donors up here are pretty crusty.
Mine was covered in grease and grime, but structurally it was fine. Took a few spray bottles of purple power but I got 'er done. ...then POR15 makes everything happy. I didn't top coat as it'll never see sun.
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Old Mar 7, 2019 | 03:19 PM
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Car: 1988 Trans Am
Engine: L03
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73 Open
Re: New 10 bolt pics

Originally Posted by Abubaca
Mine was covered in grease and grime, but structurally it was fine. Took a few spray bottles of purple power but I got 'er done. ...then POR15 makes everything happy. I didn't top coat as it'll never see sun.
Good to know. And thanks for mentioning the top-coat. I was wondering about that.

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Old Mar 7, 2019 | 03:44 PM
  #25  
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From: Knoxville, TN
Car: 1988 IROC-Z
Engine: 350 TPI
Transmission: T56 swap ongoing
Axle/Gears: 2.77 9-bolt Posi
Re: New 10 bolt pics

Very clean, beautiful work!

You have my all-time favorite IROC vanity plate.
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Old Mar 7, 2019 | 04:02 PM
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Car: 90 Formula 350
Engine: 350
Transmission: 700r4
Axle/Gears: Dana 44 3.54
Re: New 10 bolt pics

the little 7.5 will hold up to most street fun as long as you dont put sticky tires on them if you do its usually a short matter of time when I was building my 87 I found a 91-92 disc rear and added torsen and reinforced cover and its held up well for me and my son Full monty that sure is Purty!
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Old Mar 7, 2019 | 04:08 PM
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Re: New 10 bolt pics

You have my all-time favorite IROC vanity plate.
It's funny, the older guys think it's awesome. The young kids don't get it at all.
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