Originally Posted by asonofabeach69
Well i guess I have alot of work ahead of me then. But so i can check where are the RPO'* on these cars anyway?
Look on the spare tire cover, you will see the RPO code list...
Depending on the model year you'll either have a 4T60-E or 4T65-E...
You may have one of these gear ratios..
3.06 I think these are right...
Look for the F-- codes... This will be the gear ratio..
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