[FordGirl514]

I'm trying to find my gear ratio so I can get the right tunes for my truck but there is no digit before the 73, and I'm not sure what 420 means. Any ideas?

 

[SMKSTAX]

Your axle code might be on the sticker on your drivers door jamb.

 

[FordGirl514]

under axle in the door jam it says 41

 

[bigcountrysg]

Code 41 is the following.
3.73 conventional non-possitraction.

Automotive What is my Ford rear end ratio, do I have positraction

 

[[email protected] Automotive]

i believe its 3.73 i see 75 right next to the bolt which leeds me to believe the rest of the description is under the bolt lol





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[FordGirl514]

Thanks for your help :icon_ford:

 

[bigcountrysg]

google works wonders. Your welcome.

 

[SMKSTAX]

Axle code 41 is a non posi 3.73. This is what my 04 loooks like and i have a limited slip 3.73:

Check it out at this link: Automotive What is my Ford rear end ratio, do I have positraction