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Old 03-05-2018, 08:55 PM   #1
Quicksilver2SS
 
Drives: 2SS 3 pedals
Join Date: Feb 2018
Location: Sacramento
Posts: 52
gear ratio or reflashed chip cause smog trouble in Ca?

When purchasing a used Camaro and having it smog tested in Ca, what if a gear ratio change was done and or a computer re flash to correct the speedometer was done, would this create a problem at the smog station?

I see that the GM 3.91 gears are CARB approved, but what about aftermarket 3.91 gears without the CARB sticker on a car that has been recalibrated for the ratio change?

Thanks!
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Old 03-06-2018, 08:30 PM   #2
Nighthawk89


 
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Drives: 2011 Camaro 2Ss M6
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No issues. The vehicle no longer is ran on the rollers. As long as you aren't throwing a CEL you are all good. Gears play no role to my understanding. Best of luck!
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Old 03-07-2018, 09:27 AM   #3
Quicksilver2SS
 
Drives: 2SS 3 pedals
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Ah not bad at all, thanks!
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