Does anyone know if a rebuild kit exists for the 9 bolts? Or even the limited-slip cones would be great! The cones are GONE in my 1989 formula. Im not putting much power through this rear like I am in my GTA so I see no reason to upgrade to a 12 bolt in this car. i would just like to get both rear wheels putting power down. Any help would be great!

 

Try emailing this guy:


miles@koolmeister.com


He has new 9 bolt parts for sale, including new posi's and gears. He posts here on thirdgen.org, and has a 427 BB powered Camaro. Hope this helps!



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Current
86 TA 350 TH350, hardtop
99 Ducati 750 Super Sport
76 Yamaha RD400 track bike

Former
85 Z28
94 TA

 

The cones are gone? Who took them? If they are worn you can machine the lip of the cone and shim it. Check the tech article titled "Servicing 9-Bolt (Borg-Warner) Limited Slip Units" by Karl Hunter.

------------------
90 RS Convertible
Owner: Top-Down Solutions
(626)369-0040

http://www.sc3gfb.org/members/lonsal.html
http://www.taskerinc.com/gs3/profiles/Lon_profile.htm

 

Speaking of 9-bolt rearends, I got an offer from Art Houser's Rear End Service for a gearset (ratio 3.27). They cost $175 + shipping. That's exceptionally cheap to me, as I've seen them usually being more than 300 (ratio 3.73). The ones I need are 3.27's, though.

Now, does anyone of you have any kind of experience in using this company's services ? Is their stuff OK or is it of some inferior quality ?

Thanks !

Kimmo Ahola

 

if you're interested, I've got a complete 9-bolt disc rear sitting in my garage right now that Im going to get rid of. if you want it, I can sell you just the posi unit if thats what you need. however it is a 2-series carrier, but you just need a 1/4" spacer to use 3.x gears

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-'92 RS with self-installed '95 LT1
-Heddman Headers
-TPIS throttle body airfoil
-MSD 6-AL Ignition
Kills

-'97 Mustang Cobra
-'98 V6 Camaro
-'89 5.0 ****stang
-'97 Sebring
-'96 ****stang Cobra
-'95 Camaro Z28
-'88 Firebird
-'99 Ford Lightning
-'01 Camaro SS (OH YEAH BABY!!!)
-'96 Turbo Eclipse
-'99 Mustang GT
-'01 Nissan Maxima

Losses
-'01 Mustang GT
-'99 Mustang GT
-'96 Mustang Cobra
-'95 Z28 (good race)
-'96(?) Turbo Eclipse (d*mn good race, heavily modified)

FOR SALE: complete '87 IROC 9-bolt disc brake rearend. rebuilt calipers, powder coated axle housing, painted calipers and backing plate, all brake lines included. needs rotors and driver's side dust shield. The gears are in VERY good condition, low mileage, no signs of wear. make offer

 

Is there any 3:42 gears for this rear end?? if so what the best place to buy, any web links?
Also I have one that has gear whine on decellation, any ideas what is wrong with it?? it has low miles Thanks in advance, Jim

 

Sorry but 3.42's dont exist for the 9 bolt.... They did come with 3.45's however the only way to get them are to find a rearend out of a 5-speed car. I may be wrong, but I believe that they 3.45's only came in the straight shift cars. I also think that no one makes new 3.45's either, so they would have to be Salvage yard sourced. BTW, at one time you couold order 3.70's from SLP but I havent seen those in quite some time...

 

I can get brand new OEM tooled 3.45 gear sets for both the 0575 and the 0578 housings. I can also get 11 tooth 3.73 (not the weaker 10 tooth 3.70 which everyone advertises as 3.73 ), 3.2x, and 4.10 gear ratios. I also have brand new OEM tooled series 3 posi carriers. I also have some other stuff that I will post more info on soon Oh yea, and some used stuff too.

Miles

------------------
88 427 Big Block Camaro
(Best 1/4) 12.18 @ 113mph 1.75 60ft
(Best 1/8) 7.76 @ 94mph 1.72 60ft

Currently installing 3.73's into my 9 bolt (YES, it is a 9 bolt & YES they are 3.73's, not 3.70. I currently have 4.10 gear sets and new series 3 posi carriers for sale for 9 bolts )
www.koolmeister.com

 

Sorry Miles, I should have given him your email addy to start with, huh? I will be in touch with you regarding the 3-series Posi carriers also.

 

Sorry Miles. I should have given himyour email addy to start with about the gears. I will be in touch with you regarding the 3-series carries. BTW, I have a 3.27 so the carrier isnt a problem. Thanks for your help, dude....

 

Hey, Miles or anyone else. I have heard that if you just use the spacer instead of a series 3 carrier it is not as strong. I was wondering how much weaker it is and if their are any problems with operation if you go this way. I would like to go to higher gears but the cost of everything including the series 3 is pretty steep. I was just wondering how reliable it would be if I kept my series 2 with a spacer.

Thanks

Ben

 

The gear manufacturer does not recommend using a spacer so I don't offer one, but yes it has been done.

Miles

------------------
88 427 Big Block Camaro
(Best 1/4) 12.18 @ 113mph 1.75 60ft
(Best 1/8) 7.76 @ 94mph 1.72 60ft

Currently installing 3.73's into my 9 bolt (YES, it is a 9 bolt & YES they are 3.73's, not 3.70. I currently have 4.10 gear sets and new series 3 posi carriers for sale for 9 bolts )
www.koolmeister.com