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How to tell what gears you have?

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Old 05-21-2009 | 09:48 AM
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Default How to tell what gears you have?

Hey guys, how can you tell what gears your car came with from the factory? My friend is getting ready to do a gear swap and need to find out. I can remember to save my life. Thanks for the help!
Old 05-21-2009 | 10:23 AM
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Check ur opt code sticker ON THE DRIVER SIDE DOOR

gu5=3.23
gu6=3.42
gt4=3.73
Old 05-21-2009 | 10:24 AM
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RPO Code
GU2 = 2.73
GU3 = 3.08
GU5 = 3.23
GU6 = 3.42
Old 05-21-2009 | 01:15 PM
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okay, the 2.73's to 3.23's were 2 series carriers right?
Old 05-21-2009 | 01:29 PM
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Just the 2.73s
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Old 05-24-2009 | 10:15 AM
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okay, so the 3.23's were a 3 series carrier?
Old 05-24-2009 | 10:54 PM
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Originally Posted by Bad_tx_Z28
okay, so the 3.23's were a 3 series carrier?
3 series for 3.23 and up

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Old 07-06-2009 | 08:48 PM
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I dont believe any 4th gen f-bods had 3.08's though.

Auto=2.73's/3.23's gu2/gu5
Manual=3.42's gu6
Old 07-06-2009 | 08:53 PM
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new to this site wanted to chime in and see how i look





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