Ford Powerstroke 99-03 7.3L Discussion of 99-03 7.3 Liter Ford Powerstroke Turbo Diesels

Can my front/rear take 4.30's???

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Old Mar 7, 2010 | 11:45 AM
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Default Can my front/rear take 4.30's???

I'm running a late model 99 with 3.73's and 37" tires now. I'm going to a 40" next and want to get my gearing back to around what I have now or maybe closer to stock with reliability to tow my 10,000# travel trailer. I heard 4.56's fit some years but have broke in a few so I don't want to push it with them.

Will a 4.30 fit in my front and rear end? Where is a good vendor and do they need to be a matched set or something?

Thanks
Dave
 
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Old Mar 7, 2010 | 11:53 AM
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4.30's will fit perfect!

I am running 4.30's in mine now with 37's... I wish I would have gone with 4.10's with the 37's, but with 40's the 4.30's will be perfect!!!

Post up in the sponser section, there are tons of great guys up there!!!
 
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Old Mar 7, 2010 | 03:09 PM
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Cool, I'll check. Thanks

Dave
 
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Old Mar 7, 2010 | 03:45 PM
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Just went for a 120 mile drive to get out of the hotel... At 72-74 I am running 2200-2300 rpm's.

Thats higher then I would like, thats why I think 4.30's would be perfect for 40's.
 
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Old Mar 7, 2010 | 08:00 PM
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How do i tell what axle housings I have? Now I'm hearing 4.10's are the limit for me but I don't know what I have for the housing.

Thanks Joe


Dave
 
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Old Mar 7, 2010 | 08:57 PM
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Who is telling you that???

You have a Dana 50 on the front end, and a Sterling 10.50 in the back...

I guess the gearset I am running doesnt fit...

 
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