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Finding the gear ratio

C.Stanley

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I am unable to pull the window sticker as it says “yet to be released” and usually it has the printed clearly on the diff cover ( my other cars have anyway). Is there any other way of telling what gear ratio the car has? The sticker on this diff cover reads 3L31 is that meaning 3.31 gears?
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2018OFPP1?2

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I am unable to pull the window sticker as it says “yet to be released” and usually it has the printed clearly on the diff cover ( my other cars have anyway). Is there any other way of telling what gear ratio the car has? The sticker on this diff cover reads 3L31 is that meaning 3.31 gears?
Should be a 3.31 Trac-Lok.
 

Obsol3te

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If in doubt you can count the revolutions of the driveshaft to one revolution of your wheel.
 

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Grhumpy

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Yes, you have 3:31 gears
I'm just wondering the same, as my tuner asked me what ratio I have, I don't really know. I've got a AT 6R80, GT2015 PP premium
Is there a way to find this on the car ?
I've read 3L31 few post upper but where do you guys find this info on the car ?*

Thanks in advance !
Jerome
 

JOKER M1

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There should be a tag on the rear of the diff, you can see it from the rear of the car. If you can’t get under the car you may need to lay on the ground and snap a photo to read it
 

whatsup62

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There should be a tag on the rear of the diff, you can see it from the rear of the car. If you can’t get under the car you may need to lay on the ground and snap a photo to read it
Should look like this. This one is a 3:55 ratio.
s-l1600.jpg
 

Grhumpy

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Oh thanks a lot ! I'll do that right now :-)

Cheers guys
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