Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Some progress pics of the 9 inch install

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Old May 30, 2004 | 03:13 AM
  #1  
EvilCartman's Avatar
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Some progress pics of the 9 inch install

Spent a few hours today working on the car to get this sucker in


Here's ye old junkyard 10 bolt minus the swaybar ready to be plucked from the car.


Ahh it's out and never to return!


Couple things I was very pleased to find was, my stock 82 oddball brake lines threaded right into the new brakes and Currie was nice enough to drill holes for the mounting brakes for the brakes in their stock locations.


By the time I got done messing with the torque arm it got dark but here it is installed minus the e-brake cables and 3rd member.


The torque arm was a bear to do because when Spohn welded those two plates on, they drew in and caused the opening to be smaller than stock. I had problems getting that on the stock rear too but a hammer and grinder fixed it this time


Going to be rebuilding the 3rd member next week, found some bad parts in it last night, I would be driving the car right now if it wasn't for that. Ah well... Overall I'm very happy with how things went together. Very easy to put the rear together and stuff it in the car
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Old May 30, 2004 | 08:21 AM
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Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
good work and nice pics

what muffler are you running?

how do you manage smog tests given your state of residence?
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Old May 30, 2004 | 08:31 AM
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From: Kaneohe,HI
Car: 89 RS
Engine: 383 in building process
Transmission: 700r4
Man that looks awesome! I'm jealous now. Keep it up
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Old May 30, 2004 | 10:21 AM
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
Looks sharp. Make me want to break out the welder and mount the pads on the 9 I have. Could you get closer a pic of the tq arm mounting from the other side when you have the time?
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Old May 30, 2004 | 01:16 PM
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well done.
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Old May 30, 2004 | 06:06 PM
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From: Staunton,illinois
Car: 1966 impala , 1998 sebring vert,1978 buick regal turbo, 1991 chevy silverado 3/4ton 4x4 lifted
Engine: 283, 2.5,3.8 turbo 350
Transmission: powerglide,auto overdrive, th350,4L80
sounds like it was pretty much just a bolt in swap then cool
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Old May 30, 2004 | 07:08 PM
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Originally posted by SSC
Looks sharp. Make me want to break out the welder and mount the pads on the 9 I have. Could you get closer a pic of the tq arm mounting from the other side when you have the time?
Sure I might dive under the car again today so I'll take some more pics.


Originally posted by jdm
good work and nice pics

what muffler are you running?

how do you manage smog tests given your state of residence?
The muffler is a 3" in and out Spintech Pro Shootout, basicly their race muffler. Going to change the exhaust around sometime this year though, let the engine breath easier. Smog tests? uhhh no comment
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Old May 31, 2004 | 12:48 AM
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
SSC, hope this is kinda what you're looking for, sorry for the blurry one lol.


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Old May 31, 2004 | 10:29 AM
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
Originally posted by EvilCartman
SSC, hope this is kinda what you're looking for, sorry for the blurry one lol.
Thanks those are exactly what I was looking for. :yourock:

Now its time for the fun part, Ive been saving a trashed 4thgen rear for just such a project and since the 9in posi 4.11 axle my dad gave me from a 68 Tbird will actually fit without getting too involved .
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Old May 31, 2004 | 11:26 AM
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um , cool , but bad idea. I do not reccomend doing it that way . You shoulda put the third member in when the rear end was outta the car. The third member is heavy and it bolts need to be torqued and if you have all that stuff on there its gonna be a pain in the butt to put it in. It looks good but when i did mine i put everything together and then put the rear end in . I dont think its possible or very easy if it is to change the third member while its in the car b/c doesnt the springs push everthing up so it doesnt sit right, and then the torque arm is in the way .????
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Old May 31, 2004 | 02:56 PM
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i agree with nolan, that thing weighs a ton!


I just got my nine inch install done yesterday and it kicks ***! look for my post about it above.
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Old May 31, 2004 | 07:19 PM
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Originally posted by nolanr0413
um , cool , but bad idea. I do not reccomend doing it that way . You shoulda put the third member in when the rear end was outta the car. The third member is heavy and it bolts need to be torqued and if you have all that stuff on there its gonna be a pain in the butt to put it in. It looks good but when i did mine i put everything together and then put the rear end in . I dont think its possible or very easy if it is to change the third member while its in the car b/c doesnt the springs push everthing up so it doesnt sit right, and then the torque arm is in the way .????
Torque arm is easy to unbolt and move out of the way, 3 bolts and it's out. Yeah the third member is heavy but that's what jacks are for Besides, if I'm going to get a second third member to switch from highway gears to this set, I need to do it like this anyway. No way I'm going to pull the whole rear end out each time I want to swap gears.
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Old May 31, 2004 | 07:52 PM
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From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
Originally posted by Pablo
i agree with nolan, that thing weighs a ton!

LMAO...I just finished fabbing up my disc brake set-up onto my 9" and finally got it painted today. Would've been all done, but still waiting on my 3rd member...this whole rear end thing left me with a bad taste in my mouth, but that's another story in itself.

We were all laughing at how much this thing weighs, usually 1 guy can whip around a typical 9" housing especially minus center section pretty easy, not this thing After seein the top pics, I do see Moser over kills their torque arm mount for these things Probably 30lbs right there. Waiting on 3rd member and getting my braided brake lines tomorrow, once that's all on I'll have to snap some pics too to keep up with you guys

Aside from having to grind the snot out of the caliper mounting brackets...the brackets themselves are set-up for 3" axle tubes and drum brake backing plates, and this caem with the big bearing ends welded on the tube, so I had to grind alot out to get the caliper bracket to wrap around the bearing housing and then grind ALOT more out so it'd get the pads 100% over the rotor. Aside from that went pretty good.

Definately going to wait until it's all built before installation, these things are akward enough installing the center sections so it'll wait until it's 100% ready to go in. Drilled and tapped a hole in the bottom for draining and am thinkning about installing a fill spout on it also.
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