V-10 gear ratios?
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Cargo Master
Joined: Nov 2003
Posts: 2,000
Likes: 39
From: North Dakota
V-10 gear ratios?
I drive a Bronco but my father owns a 2000 f-250 V-10. He bought it a year used and was never told the gear ratio. Is ther a way to find out? Is it tagged on the truck somewhere?
Junior User
Joined: Sep 2003
Posts: 81
Likes: 0
look at the tag on the rear end.......
it will have a few numbers and letters on the upper row and the on the bottom row the first numbers will look something like this
3L73 8.8
3L73 10.25
3 55 9.75
and so on and so on
the first set of numbers is the rear end ratio
the second set is the size of the rear end
The "L" is if you have a traction lock or not......if you don't it will be a blank space
usually the first number is kinda hidden by the bolt that holds it on
so if you only make out like "L10" or something like that you'll have a locker with 4.10's
and so on and so on
hope this helps.........might have been over kill though
it will have a few numbers and letters on the upper row and the on the bottom row the first numbers will look something like this
3L73 8.8
3L73 10.25
3 55 9.75
and so on and so on
the first set of numbers is the rear end ratio
the second set is the size of the rear end
The "L" is if you have a traction lock or not......if you don't it will be a blank space
usually the first number is kinda hidden by the bolt that holds it on
so if you only make out like "L10" or something like that you'll have a locker with 4.10's
and so on and so on
hope this helps.........might have been over kill though
Senior User
Joined: Mar 2002
Posts: 132
Likes: 0
From: Castle Rock, Co
Another way to find the diff ratio is to look at the "vehicle certification label" on the drivers door jamb under axle code.
C1=3.73 limited slip
31=3.73
C3=4.30 limited slip
33=4.30
3.73's should do about 2000rpm at 70 mph and 4.30's should do about 2,300 rpm at the same speed with an automatic. Hope this helps.
C1=3.73 limited slip
31=3.73
C3=4.30 limited slip
33=4.30
3.73's should do about 2000rpm at 70 mph and 4.30's should do about 2,300 rpm at the same speed with an automatic. Hope this helps.
