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Discussion Starter #1
Im talking to a guy about a 97 f250. He told me its the HD model with factory 5.13 gears.....


I haven't found anything anywhere about.that. is this or real? If so what kinda mpg you guys get out if them with that gear and a 35" tire?
 

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OBS junkie
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8,250 Posts
Actually the 4.88s didn't come out till the 99+ SD. The OBS F-Superduty's had 4.63 or 5.13. All the pre 97s F250/350s were 3.55 or 4.10 DRW or SRW.

Axle codes-

72 - 4.63
73 - 5.13
 

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airman
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1,064 Posts
Im talking to a guy about a 97 f250. He told me its the HD model with factory 5.13 gears.....


I haven't found anything anywhere about.that. is this or real? If so what kinda mpg you guys get out if them with that gear and a 35" tire?
It amazes me how some guys can hear one thing and twist it all around until it's complete BS. Others just like to pull stuff from thin air, throws it around, and sees what sticks. Like they said, the HD was only offered with 3.55 and 4.10. The only reason they called the 97 an HD and not previous models is because ford started making a 97 F250 Light Duty which looked identical to the 97 F150.
 
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