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G92 Performance ??

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Old 02-23-2010, 04:39 PM
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G92 Performance ??
how can i tell my iroc-z has the G92 3.23 gears by looking at the VIN? or can i tell any other ways. thanks guys..
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Old 02-23-2010, 04:40 PM
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Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: G92 Performance ??
Check the RPO codes.
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Old 02-23-2010, 04:48 PM
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Re: G92 Performance ??
Originally Posted by Twin_Turbo
Check the RPO codes.
Where do I find RPO codes?
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Old 02-23-2010, 04:52 PM
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Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: G92 Performance ??
In the center console glove box. If it's a 90 it may be one the lid in the rear compartment glove box.
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Old 02-23-2010, 05:39 PM
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Re: G92 Performance ??
The SPID didn't move to the trunk glove box until mid-year 91. 84-91.5 are all in the console glove box.

To know for sure, it's just as easy as anything else to pull the cover off the differential and read the stamp off the ring gear.
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Old 02-23-2010, 05:42 PM
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Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: G92 Performance ??
Oh OK, I thought it was mid 90.... I stand corrected
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Old 02-24-2010, 12:57 PM
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Re: G92 Performance ??
what if i dont have the sticker? is it possible to know by VIN number. i guess i ca pull the cover off also.
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Old 02-24-2010, 01:26 PM
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Re: G92 Performance ??
No, it isn't possible by looking at the VIN.

What year it is might also be helpful in this process...
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Old 02-24-2010, 02:02 PM
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Car: 2003 BMW E46 M3 Vert
Engine: 3.2 I6 M power 333 h.p.
Transmission: SMG 6 speed
Axle/Gears: 3.62 posi
Re: G92 Performance ??
There are numbers on your rear end that will tell you what ratio and if it is a posi or not.
Attached Thumbnails G92 Performance ??-scan0101-large-.jpg  
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