Gear Ratio Question

[kodypiccirilli]

I know this might sound like a dumb question, but how do I know what gear ratio came on my car. I looked on the window sticker and it didn't say anything about it.

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[BmacIL]

If the 3.55 ratio is not listed under your options list, you have 3.15.

 

[quiong]

You can also cruise at 70mph in 6th gear and look at your rpm. If ~1800 rpm you have the 3.15, if around 2050 then you have 3.55.

 

[Nataphen]

If you can't find it on your paperwork, crawl under the car and look at the diff cover. You will likely have a sticker on it somewhere that tells.

 

[icarumba]

Look at the sticker in the door jamb. There is a 2 letter code for the axle. The code for the 3.55 is DD.

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