I know i know this is LS1tech.com not shittyass3.8liter.com but i want to know what kind of gears i have, its an 02 m5. thanks!

 

if you check the sticker on your door with the RPO codes on it, I think they are the same for all f-bodies (and GM cars for that matter)


GM PRODUCTION OPTIONS

RPO DIVISIONAL RPO DESCRIPTION

GQ1 AXLE,STD RATIO
GTY AXLE,WIDE TRACK
GT4 AXLE REAR,3.73 RATIO (DUP WITH 5X1)
GT5 AXLE REAR,4.10 RATIO (DUP WITH GTS)
GT7 AXLE REAR,3.33 RATIO
GT8 AXLE REAR,4.10 RATIO (DUP WITH GT5)
GU2 AXLE REAR,2.73 RATIO
GU4 AXLE REAR,3.08 RATIO
GU5 AXLE REAR,3.23 RATIO
GU6 AXLE REAR,3.42 RATIO
GV2 AXLE REAR,5.83 RATIO
GWL SPRING REAR,9000 LBS CAPACITY
GW6 AXLE REAR,3.27 RATIO
GW9 AXLE REAR,2.93 RATIO (DUP WITH GU3)
GX3 RATIO, TRAN SAXLE FINAL DRIVE 3.33
G44 AXLE REAR,3.07 RATIO
G50 SPRING REAR,HEAVY DUTY, VAR 1
G51 SPRING REAR,HEAVY DUTY, VAR 2
G52 SPRING,RR, 15000 LBS
G60 SPRING REAR,AUXILIARY
G66 LEVEL CONTROL,MAN, AIR
G67 LEVEL CONTROL,AUTO, AIR
G69 LEVEL CONTROL,AUTO, AIR, HD
G80 AXLE POSITRACTION,LIMITED SLIP
G87 AING GEAR,8.50 INCH
G92 AXLE REAR RATIO,PERFORMANCE
G95 AXLE REAR RATIO,ECONOMY
HC4 AXLE REAR,4.56 RATIO
HC7 AXLE REAR,5.13 RATIO, 7500 LBS, SINGLE SPEED
HE3 AXLE REAR,3.07 RATIO, 3500 LBS, SINGLE SPEED
HF7 AXLE REAR,4.56 RATIO,10000 LBS, DANA 70, SINGLE
HF8 AXLE REAR,4.88 RATIO

 

Yours should be the 3.07's. The V6 popular street upgrade are 3.42's and 3'73's.

 

5 speeds used 3.23's, while auto's used 3.08's, or 3.42 with the Y87 sport package