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05-05-2004, 10:47 PM
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#1 |
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Blazer drivin' mofo
Status: Offline
Join Date: Nov 2003
Member ID: 10539
Pics: My Gallery
Location: North Dakota
Age: 20
Posts: 1,448
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Rear End Ratio RPO Codes Here
GQ1 -- AXLE REAR, STD RATIO
GT4 -- AXLE REAR, 3.73 RATIO GT5 -- AXLE REAR, 4.10 RATIO GU4 -- AXLE REAR, 3.08 RATIO GU5 -- AXLE REAR, 3.23 RATIO GU6 -- AXLE REAR, 3.42 RATIO G80 -- AXLE REAR, LIMITED SLIP (POSITRACTION) HC4 -- AXLE REAR, 4.56 RATIO I am finishing up a complete RPO code list that will soon be on my website, but I thought I would post these here for the time being. Brendan |
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05-06-2004, 04:40 AM
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#2 |
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Registered User
Status: Offline
Join Date: Mar 2004
Member ID: 13321
Pics: My Gallery
Location: Macungie, PA
Posts: 171
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Excellent! I have the 3.73, L/S. It would be nice to know what all those codes mean.
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05-06-2004, 12:47 PM
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#3 |
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Premium Member #13
AKA Hollywood
 Status: Offline
Join Date: Apr 2004
Member ID: 14196
Pics: My Gallery
Location: Texas
Age: 33
Posts: 412
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Just Wondering....
 Where Can you find these codes on the truck ?  (SOLD)
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05-06-2004, 01:48 PM
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#4 |
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Trucknut
Status: Offline
Join Date: Jun 2003
Member ID: 6763
Pics: My Gallery
Location: Pleasanton, Texas
Age: 23
Posts: 929
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Open Your glovebox and look inside it. Should be a list of codes on the bottom.
2006 Chevy Crew Cab k1500 6.0 4x4 4.10's, Magnaflow Muffler, Nelson Street Tune, Supermaxx Long tubes, Outlaw Intake, Intercooled Radix Supercharger, 2.8" pulley, FLT Level 5 4L70E, Vig 2600, snowmeth stg 2, 265/70/17 BFG All Terrains
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05-06-2004, 03:33 PM
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#5 |
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Blazer drivin' mofo
Status: Offline
Join Date: Nov 2003
Member ID: 10539
Pics: My Gallery
Location: North Dakota
Age: 20
Posts: 1,448
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Yeah, just look in the glovebox. It's just a little sticker with a list of 3 letter codes which are all of the options your truck came with.
Brendan |
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05-07-2004, 09:12 AM
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#6 |
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Registered User
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u can get it with a 4.56 ratio factory?
1998 Chevy Silverado EXT Cab Red. 33x12.50x15 Dunlop Mud Rovers 4"-6" Rancho Lift and Dual Exhaust
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05-07-2004, 09:14 AM
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#7 | |
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how uuu deewwwin
 Status: Offline
Join Date: Jul 2002
Member ID: 2186
Pics: My Gallery
Location: Dallas, TX (Rowlett)
Age: 23
Posts: 6,164
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Quote:
they came in alot of military issue stuff 
6.0 Swap, Powerdyne supercharger, SFA, 44" boggers, some other stuff
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05-07-2004, 04:32 PM
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#8 |
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Blazer drivin' mofo
Status: Offline
Join Date: Nov 2003
Member ID: 10539
Pics: My Gallery
Location: North Dakota
Age: 20
Posts: 1,448
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Yeah, they came in the military trucks
Brendan |
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05-08-2004, 08:09 PM
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#9 | |
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Premium Member #13
AKA Hollywood
Status: Offline
Join Date: Apr 2004
Member ID: 14196
Pics: My Gallery
Location: Texas
Age: 33
Posts: 412
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Quote:
Thanks...  Went and took a look in the glove box and found it. G80.......from your list that would be the Limited Slip (posi) does this have a gear ratio?....... Hopefully this isnt a dumb Question...  (SOLD)
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05-09-2004, 12:36 AM
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#10 |
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Blazer drivin' mofo
Status: Offline
Join Date: Nov 2003
Member ID: 10539
Pics: My Gallery
Location: North Dakota
Age: 20
Posts: 1,448
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I'm not sure what gear ratio that would be. I'm guessing it could be 3.73? I'll do a little research in the morning and see what I can come up with.
Brendan |
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05-09-2004, 06:41 AM
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#11 |
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Registered User
Status: Offline
Join Date: May 2004
Member ID: 14519
Pics: My Gallery
Location: NC
Age: 28
Posts: 21
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You should also have a code for a ratio. The G80 is just the limited slip, and has nothing to do with ratio. I think G80 is actually a locking diff, but i'm not sure
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05-09-2004, 05:33 PM
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#12 | |
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how uuu deewwwin
Status: Offline
Join Date: Jul 2002
Member ID: 2186
Pics: My Gallery
Location: Dallas, TX (Rowlett)
Age: 23
Posts: 6,164
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Quote:
that thing is crap  i hate my G80 it never locks when i want it to 
6.0 Swap, Powerdyne supercharger, SFA, 44" boggers, some other stuff
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05-09-2004, 09:33 PM
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#13 |
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Registered User
Status: Offline
Join Date: May 2004
Member ID: 14589
Pics: My Gallery
Location: Wichita Falls, Tx
Age: 28
Posts: 1
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That sux. Mine works great all the time.
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05-10-2004, 06:01 AM
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#14 |
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Registered User
Status: Offline
Join Date: May 2004
Member ID: 14519
Pics: My Gallery
Location: NC
Age: 28
Posts: 21
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Mine does too, and i checked, it is a posi, not a locker
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05-10-2004, 08:22 PM
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#15 |
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Registered User
Status: Offline
Join Date: May 2004
Member ID: 14683
Pics: My Gallery
Location: Napa
Age: 21
Posts: 2
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I can't seem to find the rear end code in my '01 tahoe. I see the big list of 3 digit codes in the glove box, but not one of them even start with a "G". Any help?
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05-11-2004, 04:39 AM
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#16 |
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Registered User
Status: Offline
Join Date: May 2004
Member ID: 14519
Pics: My Gallery
Location: NC
Age: 28
Posts: 21
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05-14-2004, 01:52 PM
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#17 |
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Registered User
Status: Offline
Join Date: Feb 2004
Member ID: 11810
Pics: My Gallery
Location: East Tennessee
Age: 62
Posts: 29
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GU6 G80
Wow. According to that, I have a 3.42 posi. I'd sure like to stick that rear end under my Malibu and put the 3.73 from the 'bu in the truck. Thanks, Brendan. |
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05-15-2004, 01:32 AM
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#18 |
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Blazer drivin' mofo
Status: Offline
Join Date: Nov 2003
Member ID: 10539
Pics: My Gallery
Location: North Dakota
Age: 20
Posts: 1,448
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No prob, Bob.
 Brendan |
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05-15-2004, 11:15 PM
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#19 |
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trucknut? can't find 'em
Status: Offline
Join Date: Jan 2004
Member ID: 11299
Pics: My Gallery
Location: new brunswick
Age: 30
Posts: 113
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do these codes work for an 86' truck?
2000 FSC 4x4 4.8L stepside (SOLD)
1985 Jeep CJ-7 4x4 4.2L 33'' tires g/f owns a tercel 1986 FSC 4x4 350 33'' tires |
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05-16-2004, 08:03 PM
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#20 |
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Blazer drivin' mofo
Status: Offline
Join Date: Nov 2003
Member ID: 10539
Pics: My Gallery
Location: North Dakota
Age: 20
Posts: 1,448
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I'm not sure if these codes will work for an 86 or not. Anybody have any ideas?
Brendan |
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