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kjz28
11-18-2006, 04:07 PM
I have an '02 Z28 with Flowmaster CatBack Y pipe. Also have airlid with cold air inducation kit, plus 3200 stahl w/ 243's. Just bought hypertech programer, looking for 12 90's? What do you think?
Y2KPewterSS
11-18-2006, 09:52 PM
I have an '02 Z28 with Flowmaster CatBack Y pipe. Also have airlid with cold air inducation kit, plus 3200 stahl w/ 243's. Just bought hypertech programer, looking for 12 90's? What do you think?

Assuming you can 60' well, you should have it :)
SSmoky01
11-18-2006, 10:18 PM
Assuming you can 60' well, you should have it :)+1:yup:
SSmoky01
11-18-2006, 10:19 PM
I have an '02 Z28 with Flowmaster CatBack Y pipe. Also have airlid with cold air inducation kit, plus 3200 stahl w/ 243's. Just bought hypertech programer, looking for 12 90's? What do you think?

Oh and did you mean 3.42's?
kjz28
11-19-2006, 12:38 PM
no car has original gears
Y2KPewterSS
11-19-2006, 01:17 PM
I believe you have 2:73 gear ration then, not 2:43 :)
99Ztwenty8
11-20-2006, 09:30 PM
Ok now im confused...I thought i had 342's in my stock 99 z m6. am i wrong?

please help
Y2KPewterSS
11-20-2006, 10:44 PM
Ok now im confused...I thought i had 342's in my stock 99 z m6. am i wrong?

please help


No, you are not wrong. All M6 LS1s are equipped with 3:42s. All A4 SS/WS6s come with 3:23s. Z28/TransAm A4s had an option for 3:23s but came with 2:73s otherwise.