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Final drive ratio?

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  #16  
Old 04-28-2009, 10:47 AM
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Originally Posted by 4.2trimble
GLC: are those numbers the same for the 4r70w thats in my 99? If not then can you get mine?

thanks bud

and mines not stock either sorry man i had too
https://www.f150online.com/forums/ar...tion-page.html

Yes, 3rd is direct and 4th is 0.7:1.
 
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  #17  
Old 05-01-2009, 12:48 PM
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5.13? I bet that thing won't even be able to get past 75 MPH.
 
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Old 05-01-2009, 04:38 PM
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With 37" and 5.13's, 75 mph in 3rd is only 3500 rpm. In OD it's less than 2500.
 
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  #19  
Old 05-01-2009, 05:22 PM
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Oh really? I forgot to add in the tire size, my bad.
 
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  #20  
Old 05-02-2009, 12:46 AM
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mine with 40's at 65 in OD will be around 2300 i believe.
 
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  #21  
Old 05-05-2009, 01:48 PM
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yeah 5:38's here. on 49's is 2400 at 70mph
 
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  #22  
Old 05-19-2009, 06:50 PM
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Got my rear end back, pics.

 
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  #23  
Old 05-19-2009, 07:37 PM
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that looks sick man. nice axle
 
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