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Old Jan 3, 2007 | 04:32 PM
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Spectre 023's Avatar
Spectre 023
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From: mission, tx
f150 gearing

were the f150's from 99-03 available with 3.73's or were they only offered with 3.55's

dont know if there's a section with this info, but i'd appreciate it if someone pointed me in the right direction.
 
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Old Jan 3, 2007 | 04:38 PM
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I have a 2002 sales brochure. According to it, a 3.73 LS rear differential was available but only on the 7700 lb. Payload Package.
 
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Old Jan 3, 2007 | 05:28 PM
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Spectre 023
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thanks man!
 
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Old Jan 4, 2007 | 10:30 AM
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BTW, the 7700 lb Payload Package uses a completely different rear axle than models without this package. Ford axles come with ring gears in three sizes, 8.8, 9.75, and 10.25. The 3.73 gear for this package would be a 10.25 ring gear. Therefore your dealer may not be able to get a factory gear set for your truck. You should however be able to find a 3.73 gear set in the aftermarket most anywhere.
 
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Old Jan 4, 2007 | 11:47 AM
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I recently looked at a 03 F150 FX4 SuperCrew. It had 3.73's. They were an option but seems most had 3.55's.
 
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Old Jan 4, 2007 | 03:15 PM
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My 2000 has 3.73 ls (off road pkg.)
 
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