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12-21-2006, 04:39 PM
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#1 | | Junior Member
Join Date: May 2003 Location: Nova Scotia, Canada
Posts: 40
Car: 87 IROC Engine: 406 Transmission: 700r4 Axle/Gears: 3.70 | ATTENTION ALL 9 BOLT OWNERS...Great News, US distributor
I have been in touch with Jason Riggs at www.midwestpd.com about supplying 9 bolt parts for us thirdgenners. As a result they have just added to their webpage some ring and pinion choices for us and they will be adding more items after christmas!!!!
WOOHOO! www.midwestpd.com
3.23 through 4.10's now available! Install kits now available! Prices listed!
I'll be ordering some 4.10's in January
__________________
87 IROC, 409, 700r4, 3.70 9 bolt
13.009@108.3MPH on plain street tires
409 is dead, grenaded a piston
Building a 406 now,
210c AFR eliminators on the way! |  
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12-21-2006, 06:54 PM
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#2 | | Senior Member
Join Date: Nov 2004 Location: Currently:...Home: Texas City.
Posts: 558
Car: 89 Formula 350 (x 2) Engine: L98 Transmission: 700R4 Axle/Gears: BW 3.27 | Outstanding! | |
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12-21-2006, 11:46 PM
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#3 | | Moderator
Join Date: Jul 1999 Location: Disneyland, SoCal
Posts: 9,297
Car: 1991 Camaro Z28 Engine: 350 L98 siamesed runners Transmission: LT1 T56 Axle/Gears: 9-Bolt 4.10 | Cool! How did you get them to do that? And are those real 3.73's or are they 3.70's like everyone else? | |
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12-22-2006, 01:05 AM
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#4 | | Senior Member
Join Date: Apr 2001 Location: Changing Tires
Posts: 5,676
Car: too many ... | This is great news!! Good job and thank you!!!
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12-22-2006, 01:43 AM
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#5 | | Senior Member
Join Date: Jan 2002 Location: Orland Park, IL
Posts: 10,523
Car: 1984 Z28 Engine: 346 Transmission: TH350 Axle/Gears: moser 9" 4.11 | wow $414.00 for 4.10 gears, plus $150 install kit plus extra labor to shim it, 6hours at $75 an hour.
sure am glad i'm swapping to a 9" instead.
__________________ my car thats never done
"I'd rather be judged by 12 than carried by 6"
First Place Camaro Modified Thirdgenfest '05, Second Place Camaro Modified Thirdgenfest '06, Best Modified Camaro Thirdgenfest '07  , Second Place Camaro Modified Thirdgenfest '08
MFBA March 2008 Featured Calendar Vehicle  | |
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12-22-2006, 01:48 PM
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#6 | | Senior Member
Join Date: Feb 2002 Location: Prince Albert, Saskatchewan, Canada
Posts: 1,030
Car: 1987 Trans Am GTA Engine: 357ci Stealth Ram - Under Pressure Transmission: Built 700r4/Pro Yank 3400 Extreme Axle/Gears: 9-Bolt 3.27 | Nice for a choice of other gears.
You can get 3.70 Yukon gears for $162 at www.ringpinion.biz
and 3.70 Motive Gears for $182 at www.jawsgear.com | |
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12-26-2006, 07:52 PM
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#7 | | Senior Member
Join Date: Jan 2003 Location: Tulsa, OK
Posts: 962
Car: 1989 Formula WS6 Engine: L03 305 TBI Transmission: T-5 | Well, I'm glad to see any new suppliers stocking parts, but those prices are pretty stiff.
Obviously, he's setting his prices by demand, not cost+profit margin. It's the only thing that would explain 3.42s costing 150.00 more than 3.73s.
Description List price USD
3.23 Ratio CWP $312.12
3.45 Ratio CWP $450.77
3.73 Ratio CWP $304.50
3.91 Ratio CWP $355.19
4.10 Ratio CWP $414.15 | |
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12-27-2006, 06:19 AM
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#8 | | Senior Member
Join Date: May 2003 Location: bay area, CA
Posts: 642
Car: 89 irocz Engine: 350 HSR Transmission: B&M 700-r4 Axle/Gears: 9 bolt/3.27 | will they be stocking posi cones? | |
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12-27-2006, 06:57 AM
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#9 | | Junior Member
Join Date: May 2003 Location: Nova Scotia, Canada
Posts: 40
Car: 87 IROC Engine: 406 Transmission: 700r4 Axle/Gears: 3.70 | I am not sure....but that was my hope since I desperately need cones as well. They stated they will be adding more goodies after christmas. If it turns out they are not including cones with the "goodies", then we can request them to. They were quick to add the gearsets for me. | |
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01-02-2007, 07:34 PM
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#10 | | Moderator/TGO Supporter
Join Date: Feb 2000 Location: You know where you are? You're outside the venue and I just cancelled the concert baby!
Posts: 1,023
Car: 1987 IROCZ Vert/1990 IROCZ Engine: 305 TPI/350 TPI Transmission: 5-Speed/700R4 Axle/Gears: 87 = 3.45's/90 = 3.73's | Copied thread and stickied it on Aftermarket Product Review with the other 9 bolt owners stickied thread. | |
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01-08-2007, 06:09 AM
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#11 | | Junior Member
Join Date: Nov 2005 Location: Sweden Europe
Posts: 42
Car: 89 IrocZ Engine: 5.7 Transmission: TH700 Axle/Gears: 2.77 | Since i have a 89 i have the 2.77 gear 9bolt,anybody out there who knows what gears my carrier do support ?
Regards Mats | |
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01-08-2007, 08:02 AM
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#12 | | Senior Member
Join Date: Dec 2000 Location: Ohio
Posts: 745
Car: 1986 Pontiac TA Engine: 406 Transmission: 700R4 | I needed to change my carrier when I went from the 2.77 to the 3.27 gears. Unless they make a thicker ring gear, you will need to do the same. | |
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01-09-2007, 01:42 AM
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#13 | | Junior Member
Join Date: Nov 2005 Location: Sweden Europe
Posts: 42
Car: 89 IrocZ Engine: 5.7 Transmission: TH700 Axle/Gears: 2.77 | Quote:
Originally Posted by HiTech5  I needed to change my carrier when I went from the 2.77 to the 3.27 gears. Unless they make a thicker ring gear, you will need to do the same. | Ok i suppose you did get a complete new posi ?
Where did you get it was it from one of the companys mentioned above ?
Sorry questions i am not that used to the 9bolt as i have just bought the car earlier did have a 2gen and those 8.5 did have the same carrier all the way from 2.73 and up.
Would really love to go to a 3.27/3.42 gearing something.
rergards Mats
Last edited by BADCAM70 : 01-09-2007 at 01:52 AM.
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01-09-2007, 05:05 AM
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#14 | | Member
Join Date: Apr 2006 Location: Pgh PA
Posts: 203
Car: 88 5.7 IROC/95 LT1 Corvette Engine: All 5.7's Transmission: 700R4/ZF6 | Excellent!!!!!!  | |
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01-09-2007, 06:44 AM
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#15 | | Senior Member
Join Date: Dec 2000 Location: Ohio
Posts: 745
Car: 1986 Pontiac TA Engine: 406 Transmission: 700R4 | I changed my carrier back in 1988. At that time I purchased it from the dealer. | |
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01-09-2007, 08:37 AM
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#16 | | Senior Member
Join Date: Nov 1999 Location: Monroe,NC
Posts: 1,419
Car: 90 Formula Engine: 305 Transmission: 700R4 Axle/Gears: 9 bolt/3.27 | Will they be offering limited slip differentials?
__________________
Mongoose-1990 Pontiac Formula/305 TPI-700R4
Edelbrock,MSD,K&N,TCI,SLP,GM,PBR,SSM,Flowmaster,Holley,Walbro,Racetronix,Spohn,Eibach,Tokico,Energy Suspension,UMI Performance,Earls,Ed Miller,TPIParts,Spohn,American Racing,BFGoodrich,Autometer,Alpine,Boston Acoustic,JL Audio,Grant,TA Performance | |
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01-10-2007, 09:09 AM
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#17 | | Junior Member
Join Date: May 2003 Location: Nova Scotia, Canada
Posts: 40
Car: 87 IROC Engine: 406 Transmission: 700r4 Axle/Gears: 3.70 | I sent another email over to midwest asking about limited slip rebuild kits, I will let you know as soon as I get a response. | |
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01-10-2007, 05:52 PM
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#18 | | Junior Member
Join Date: May 2003 Location: Nova Scotia, Canada
Posts: 40
Car: 87 IROC Engine: 406 Transmission: 700r4 Axle/Gears: 3.70 | Just recieved a response from midwest.....
Yes they will be carrying some items for the limited slip units. They will be talking with their australian supplier on Jan 11th.
It is anticipated that we will see rebuild kits and complete new posi units.....awesome. | |
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01-20-2007, 08:44 AM
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#19 | | Junior Member
Join Date: Dec 2006
Posts: 12
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01-20-2007, 02:46 PM
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#20 | | Senior Member
Join Date: Jul 2004 Location: Beautiful BC
Posts: 2,385
Car: '88 IROC-Z / '91 Z28 Engine: LB9 / L98 Transmission: 5-spd / 700R4 Axle/Gears: 9-bolt 3:45 / 10-bolt 3:23 | I hope the posi cones are avaliable soon!
__________________  - Chris - Check my vBGarage for Mods | |
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01-20-2007, 05:00 PM
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#21 | | Junior Member
Join Date: May 2005 Location: East Sussex, England
Posts: 39
Car: 1989 Trans-Am GTA Engine: Yes, it's got one Transmission: Yes, one of those too!! | Quote:
Originally Posted by Brisk I hope the posi cones are avaliable soon! | Me too. keeping a keen eye on this thread  | |
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01-21-2007, 03:47 AM
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#22 | | Junior Member
Join Date: Dec 2006
Posts: 12
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01-21-2007, 12:08 PM
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#23 | | Member
Join Date: Apr 2006 Location: Pgh PA
Posts: 203
Car: 88 5.7 IROC/95 LT1 Corvette Engine: All 5.7's Transmission: 700R4/ZF6 | This is like a dream come true! All we need now is posi cones, carriers and axles and we can totally rebuild everything starting with the case. I've been searching for 9 bolt parts for 2 years now! Got a used 3 series carrier on Ebay for $150 and was considering 3.70 gears because that was all that was available. Now I have options. If I knew how hard this was going to be I would have taken better care of the original diff! Anyone got a source for axles? Thanks to Midwest PD for taking care of this splinter of the market!
Eagle | |
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01-21-2007, 12:20 PM
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#24 | | Member
Join Date: Apr 2006 Location: Pgh PA
Posts: 203
Car: 88 5.7 IROC/95 LT1 Corvette Engine: All 5.7's Transmission: 700R4/ZF6 | Oops! Just checked my Email, Jonathan says cone will be available soon, Check their website., Which I will do now! I don't get on this thing enough some times!
TJ | |
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01-23-2007, 07:42 PM
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#25 | | Senior Member
Join Date: Nov 1999 Location: Monroe,NC
Posts: 1,419
Car: 90 Formula Engine: 305 Transmission: 700R4 Axle/Gears: 9 bolt/3.27 | Has anyone bought anything from them yet? I'll be in the market for their R&P install kit if it's good quality.
__________________
Mongoose-1990 Pontiac Formula/305 TPI-700R4
Edelbrock,MSD,K&N,TCI,SLP,GM,PBR,SSM,Flowmaster,Holley,Walbro,Racetronix,Spohn,Eibach,Tokico,Energy Suspension,UMI Performance,Earls,Ed Miller,TPIParts,Spohn,American Racing,BFGoodrich,Autometer,Alpine,Boston Acoustic,JL Audio,Grant,TA Performance | |
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02-10-2007, 09:59 PM
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#26 | | Senior Member
Join Date: Jul 2004 Location: Beautiful BC
Posts: 2,385
Car: '88 IROC-Z / '91 Z28 Engine: LB9 / L98 Transmission: 5-spd / 700R4 Axle/Gears: 9-bolt 3:45 / 10-bolt 3:23 | still no posi cones 
__________________ - Chris - Check my vBGarage for Mods | |
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02-10-2007, 11:18 PM
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#27 | | Moderator
Join Date: Jul 2001 Location: Buffalo, NY
Posts: 4,187
Car: 1988 IROC-Z Engine: Bolt on 5.7L / L98 Transmission: Modified 700R4 Axle/Gears: 9 Bolt G80 | I need a carrier so I can get 3.23-3.45 gears. | |
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02-11-2007, 01:47 AM
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#28 | | Senior Member
Join Date: Oct 2005 Location: Bloomington Indiana
Posts: 1,736
Car: 1991 L03 700r4 RS Engine: 1987 WS6 Trans AM Lb2 Transmission: Th350 red neck Performance 3k stall Axle/Gears: 3.27 9 bolt from the 87 WS6 donor | I'm beginning to think the purchase of my 9 bolt in fact was a mistake, perhaps I should've put the money into adapting a 9in to fit my car. Don't the GTO's have the same ring and pinion as our 3rd gens? How about the new Pontiac G8 and the other Holden cars? I just don't understand why if these parts are still used in production cars, they're so expensive. | |
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02-13-2007, 11:36 PM
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#29 | | Junior Member
Join Date: Nov 2006 Location: Phoenix, Az.
Posts: 61
Car: 1989 IROC Engine: L98 350 Transmission: 700R4 Axle/Gears: 3.54 posi 1LE | Quote:
Originally Posted by IROCThe5.7L I need a carrier so I can get 3.23-3.45 gears. | So do I. Hope these gears are available soon, and I can install a new aluminum cover/girdle, too. | |
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02-14-2007, 01:43 PM
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