Nitewolf

Can anyone tell me what the stock gear ratio is for a 2002 F150 with the 5.4L? I checked online and I found different ratios for all the gears which is normal but what exactly would I put in my programmer for the actual ratio?

jrube

More than likely it is the 3.55 unless you have the FX4 then you may have the 3.73

05 super

What is the code on your door jamb?...it will be a 2 didget number or letter/number...It will be found under AXLE on the door jamb.

mustang8998

That's great, as long as no one has swapped in a different gear.

Jack the truck up, mark the drive shaft and a tire. Turn the tire one revolution and count how many times the DS turns.

Example, 3 1/2 turns, 3:55. 3 3/4 turns, 3:73......etc.

Nitewolf

Perfect ill do that next week then. Thank you!

Nitewolf

19

bones2o21

ford axle code 19 is as follows according too google.com
19 — 3.55 non-limited slip (Econoline, F-150)

website for referance
http://www.f150online.com/forums/oth...code-19-a.html

Nitewolf

Ok, thank you!