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Old 06-06-2012, 08:24 AM   #1
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Default What Gears Do I Have? RPO Codes

Look in your glove box and find the listed codes below that match:


marked in red are the only ones ive ever seen listed in a glovebox personally


G80 : AXLE POSITRACTION, LIMITED SLIP
GU4 : AXLE REAR, 3.08 RATIO
GU5 : AXLE REAR, 3.23 RATIO
GU6 : AXLE REAR, 3.42 RATIO

GT4 : AXLE REAR, 3.73 RATIO
GT5 : AXLE REAR, 4.10 RATIO












These are listed as GM RPO codes..
G75 : AXLE REAR, 3.62 RATIO
G76 : POSITRACTION REAR

G81 : POSITRACTION REAR AXLE
G82 : AXLE REAR, 4.56 RATIO
G84 : AXLE REAR, 4.10 RATIO
G86 : AXLE, REAR, LIMITED-SLIP
G87 : RING GEAR, 8.50 INCH
G89 : RING GEAR, 7.50 INCH
G91 : SPECIAL HIGHWAY REAR AXLE RATIO 3.08
G92 : AXLE REAR RATIO, PERFORMANCE
G94 : AXLE REAR, 3.31 RATIO
G95 : AXLE REAR RATIO, ECONOMY
G96 : AXLE REAR, 3.55 RATIO
G97 : AXLE REAR, 2.73 RATIO
GH0 : AXLE REAR, 3.54 RATIO
GH2 : AXLE REAR, 2.29 RATIO
GH3 : AXLE REAR, 2.77 RATIO
GH4 : AXLE REAR, 2.92 RATIO
GK9 : AXLE REAR, 4.63 RATIO
GL3 : AXLE REAR, 6.17 RATIO
GM1 : AXLE REAR, 2.59 RATIO
GM3 : AXLE REAR, 3.45 RATIO
GM8 : AXLE REAR, 2.56 RATIO
GMC : PLANT CODE PONTIAC, MI, USA
GN9 : AXLE REAR, 4.11 RATIO
GQ1 : AXLE, STD RATIO
GS1 : AXLE REAR, 2.73 RATIO
GS3 : AXLE REAR, 3.73 RATIO
GS4 : AXLE REAR, 3.70 RATIO
GS5 : AXLE REAR, 4.11 RATIO
GS6 : AXLE REAR, 4.56 RATIO
GT1 : AXLE REAR, 2.56 RATIO
GT2 : AXLE REAR, 2.29 RATIO
DUP WITH GT8)
GT7 : AXLE REAR, 3.33 RATIO
GT8 : AXLE REAR, 4.10 RATIO (DUP WITH GT5)
GU1 : AXLE REAR, 2.41 RATIO
GU2 : AXLE REAR, 2.73 RATIO

GV1 : AXLE REAR, 2.73 RATIO
GV2 : AXLE REAR, 5.83 RATIO
GV3 : AXLE REAR, 3.08 RATIO
GV4 : AXLE REAR, 3.36 RATIO
GV5 : AXLE REAR, 3.55 RATIO
GV7 : AXLE REAR, 4.11 RATIO
GV8 : AXLE REAR, 2.72 RATIO
GW2 : AXLE REAR, 2.56 RATIO
GW3 : AXLE REAR, 2.56 RATIO
GW4 : AXLE REAR, 3.31 RATIO
GW5 : AXLE REAR, 2.73 RATIO
GW6 : AXLE REAR, 3.27 RATIO
GW8 : AXLE REAR, 4.10 RATIO
GW9 : AXLE REAR, 2.93 RATIO (DUP WITH GU3)

GX1 : AXLE REAR, 3.70 RATIO
GX2 : AXLE REAR, 3.07 RATIO
GX3 : RATIO,TRANSAXLE FINAL DRIVE 3.33
GY2 : AXLE REAR, 3.31 RATIO
GYS : RATIO TRANSAXLE FINAL DRIVE 3.65
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2000 ECSB Silverado-LQ4/Isky 215/4L80E/KBRacing S475
13.9@104 5psi
12.9@113 ~ 5-25psi on cooper AT3's


Oil Filter Part Numbers
NGK Spark Plug Info
4L60E-4L80E Wiring Swap
GM Fluid Capacities
What Gear Ratios Do I Have?
E-fan Harness 101
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Old 06-06-2012, 09:22 AM   #2
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Default

http://cs.pontiac-club.com/graphics/...-car-codes.pdf
__________________
-Jonathan

2000 ECSB Silverado-LQ4/Isky 215/4L80E/KBRacing S475
13.9@104 5psi
12.9@113 ~ 5-25psi on cooper AT3's


Oil Filter Part Numbers
NGK Spark Plug Info
4L60E-4L80E Wiring Swap
GM Fluid Capacities
What Gear Ratios Do I Have?
E-fan Harness 101
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Old 06-06-2012, 10:40 PM   #3
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Stick it SON!!!
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Old 06-07-2012, 12:29 AM   #4
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Quote:
Originally Posted by 1FastBrick View Post
Stick it SON!!!
Done. And I didn't even spill my beer.
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Old 06-07-2012, 12:29 AM
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