I have a 99 SC 2wd with a 4.2 auto and have not been able to find my axle ratio. Does anyone know what an axle code 27 is? Thanks...

 

27=open,3.31 ratio

 

yep!

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00 Silver L
Built 3/16/00

Mods:
AAD F-1 Hood
01 Headlights & Tails
3/4 Drop
Eibach Front Coils
Hotchkis Rear Springs
75hp NOS Dry Shot
JDM Nitrous Program
90mm MAFS
JL Air Intake
Oval Bore Throttle Body
PSP Electric Fan
Redline Water Wetter


HANKFAN