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Forums > Car and Truck Make and Model Specific > Crown Victoria, Marauder, Marquis
Differential Question
Thread Statistics:     Users to Post: 3   |   Total Posts: 4   |   Total Views: 406
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Douglink92
• Sacramento, CA, USA
• Registered on 2/18/2016
• 1 post
Posted:2/18/2016 18:46
How do i figure out the Gear ratio on my 2005 CVPI?
dbmcd
• Los Angeles, CA, USA
• Registered on 10/12/2001
• 69 posts
1 Boat
4 Motorcycles
11 Vehicles
Posted:2/18/2016 20:47
Look at the label inside the driver's door. It will list the axle code which will probably read Z5, which is 3.55:1. Or lift the rear end of the car and mark the tires and driveshaft. Rotate and count how many times the driveshaft turns relative to the tires.
hondaclf
• Baldwin, NY, USA
• Registered on 2/25/2009
• 244 posts
4 Vehicles
Posted:2/19/2016 13:48
Quote:
Look at the label inside the driver's door. It will list the axle code which will probably read Z5, which is 3.55:1. Or lift the rear end of the car and mark the tires and driveshaft. Rotate and count how many times the driveshaft turns relative to the tires.

Z5 is open 3.27 and the most common gear ratio so you were partially right.

The door sticker will have a 2 part axle code, you can decode it here.
Door sticker decoder
dbmcd
• Los Angeles, CA, USA
• Registered on 10/12/2001
• 69 posts
1 Boat
4 Motorcycles
11 Vehicles
Posted:2/19/2016 16:21
My '05 Shop Manual says 1is 2.73, 4 is 2.73, 5 is 3.55 and C is 3.27. I tried to insert photo of page but no luck. I seem to recall this conversation before.
Forums > Car and Truck Make and Model Specific > Crown Victoria, Marauder, Marquis
Differential Question
Thread Statistics:     Users to Post: 3   |   Total Posts: 4   |   Total Views: 406
You must be logged in to post in or subscribe to this thread.Pages: 1

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