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#1
04-09-2006, 06:56 PM
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GU6 Rear Axle?
I looked at my RPO's today on my 85 IROC, and the RPO for the rear axle is GU6. I looked it up and it is 3.42 gears. My question is, does anyone know anything else about this rear end? Like, is it a open or LS, is it a posi? Also, how much power can it handle? Well, I would like to know as much as possible about this rear end. Thanks!
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#2
04-09-2006, 06:58 PM
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Re: GU6 Rear Axle?
Im pretty sure its a posi, but dont quote me.
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 91 RS Camaro V8 305 TBI cold/ram 14"/3" open element K/N filter 3.73's B&M Megashifter 180 thermostat Flowtech TERMINATOR Exhaust 3" exhaust cutout Silvania Silverstar Headlights Ronal R15 Firehawk Wheels Hankook Ventus Sport (front) Sumitomo HTR+ (rear) 275/40ZR 17 all around... _____________________________
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#3
04-09-2006, 07:24 PM
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Re: GU6 Rear Axle?
GU6 is only a gear ratio code.
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RIP Hypsi - I just want to express I will never be the same after having lost such a good friend. You meant alot to me and I feel I am a better person for having known you. Til the day we meet again my friend you will always be in my heart. Mods: Weight reduction (I don't wear underwear)
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#4
04-09-2006, 07:40 PM
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Re: GU6 Rear Axle?
Quote:
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2000 Chevy Blazer ZR2 Performance Mods: Numerous Suspension Mods: Some, but not enough Exterior Mods: Just Right 1987 Buick Turbo T Dark Red Low 11 sec sleeper  .030 4.1 block, PT6262E, & other odds and ends.... My Cardomain
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#6
04-09-2006, 11:54 PM
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Re: GU6 Rear Axle?
Quote:
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2000 Chevy Blazer ZR2 Performance Mods: Numerous Suspension Mods: Some, but not enough Exterior Mods: Just Right 1987 Buick Turbo T Dark Red Low 11 sec sleeper .030 4.1 block, PT6262E, & other odds and ends.... My Cardomain
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#7
04-10-2006, 08:10 AM
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Re: GU6 Rear Axle?
power isnt what will kill a rear end. Traction will. you can have 800hp and ride on a 10 bolt. Put slicks on that 10 bolt and then it wont have a chance. Your rear should be fine as long as you maintain it properly. It is getting old as its over 20 years old so you bearings are probably worn but if it isnt whining then your good.
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92 z28 camaro 5.7 TPI current - slp intake runners and base-BBK 52mm throttle body-MSD 8.5mm wires, blaster coil, and 6AL Box-edelbrock headers-160 degree stat.-hotchkis strut tower brace waiting in the garage - LQ4, milled heads 317 casting (10.5 to 1), hardened pushrods, ported LS6 oil pump, manley dual spings with titanium retainers, MTI X1 cam, hawks longtube headers 
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#8
04-10-2006, 09:26 AM
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Re: GU6 Rear Axle?
you need the number stamped on the rear-end... the right hand axle tube i think..that will tell you all you need to know.. the first three numbers is your axle code
1985 8JA 3.08 OPEN 8JB 3.23 OPEN 8JC 3.42 OPEN 8JD 3.73 OPEN 8JP 3.08 POSI 8JQ 3.23 POSI 8KA 3.42 OPEN 8KB 3.73 OPEN 8KR 3.08 OPEN 8PP 3.08 POSI 8PQ 3.23 POSI 8PR 3.42 POSI 8PS 3.73 POSI Now you an be lazy and you dont have to look it up!
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1984 Camaro 5.7L 350 700R4 Holley 650 Cfm Edelbrock Performer Intake-Manifold Crane Cams Duration @ .050": 204/214 Lift:420/442 Summit HEI Distributor Hedman Shorty Headers Hedman Y-pipe Dynomax Turbo cat-back NOS Decal VTEC Decal
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#9
04-10-2006, 11:47 AM
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Re: GU6 Rear Axle?
Quote:
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