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What gearing do I have

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Old Jul 9, 2007 | 11:58 PM
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anothersteveg
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What gearing do I have

Hi Everyone,

I just bought a '93 F350 with the 7.3 non-turbo Diesel with the 5 speed manual. I'm trying to find the gear ratio. Can't find a tag anywhere, the door sticker says 45 under the axle portion. I'm guessing this is the 4:53 if it's stock?

Thanks,

Steve
 
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Old Jul 10, 2007 | 12:01 AM
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There is no 4.53 that I'm aware of. Most of them are either 3.55 or 4.10, but your code 45 is an oddball one. I think it's a 3.73 ratio, but check the tech articles section here. There's an axle decoder that may help.
 
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