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4:10s and 39s?

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Old Apr 13, 2008 | 12:54 PM
  #1  
fordinmudd's Avatar
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4:10s and 39s?

just wondering im thinking of puttting a lift kit on my 96 f 350..it has the stock 4:10 gears but it has a 460 engine in it.do yyou think with the stock gears a 460 would have the power to push the 39 inch super swampers or would i have to regear it?..its automatic not standard..thanks

 
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Old Apr 13, 2008 | 01:10 PM
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I think you'd be bettter off regearing, to keep it in the power band but thats just mho.
 
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Old Apr 13, 2008 | 01:11 PM
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depends on how much ya gonna be off-road, id say around a 5:13 if its only seing dirt or go with less lift and tire and bump up to a 4:56 if its still driven on the road
 
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Old Apr 13, 2008 | 01:15 PM
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grrrrrrrrrrrrrr!
 
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Old Apr 13, 2008 | 01:20 PM
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even though I doubt you will listen to me I think you should regear to 4.88s for a 50/50 mud/road driven truck and 5.13s for an offroad only.
 
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Old Apr 13, 2008 | 01:27 PM
  #6  
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thanks i will regear it. it will be a daily driver and off road on the weekends.
 
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Old Apr 13, 2008 | 01:28 PM
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id seriously suggest regearing, the highest id go is 4.56, but im with kris 4.88 for a street drive truck that will see offroad too
 
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Old Apr 13, 2008 | 01:29 PM
  #8  
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one more question the front axle is a dana 60 but it has ball joints..im guessing i should replace it with the king pin dana 60?
 
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Old Apr 13, 2008 | 01:33 PM
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thats a good idea, the king pin dana 60 will cause you less troubles, the both will be as strong with runnin the tires and all, but with the kingpin dana 60 you wont have to worry about replacing stupid balljoints
 
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Old Apr 13, 2008 | 01:56 PM
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Ive got 4.56s with 38.5s and a helluva 460 and sometimes I wish I had a little more gear.

hindsight being 20/20 I wish I had 4.88s maybe even lower considering the next set of tires I buy will be 40s
 
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Old Apr 13, 2008 | 05:14 PM
  #11  
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Itll kinda sound like this witrh 4.10s waaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa this is all at 35 mph
 
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Old Apr 13, 2008 | 06:11 PM
  #12  
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i'm running 37" SSRs on my stroker and i dont have any issues with 4.10's. course i know you are running the 460 but still, it should have enough power esp for a street queen like mine.

a lift kit is the last thing i would do on a truck like yours/mine. do a shackle reversal (3.5" lift) front and 4" rear lift springs with stock overloads.

-cutts-
 
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Old Apr 13, 2008 | 06:21 PM
  #13  
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Fishy,
youre making about 350hp and 600ft lbs right?

thats a big difference from the 230hp 380tq his factory efi 460 makes.
 
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Old Apr 13, 2008 | 06:23 PM
  #14  
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well even if i turn my chip on stock it is sluggish but its really not as bad as i would have though, there again i am running a diesel.

-cutts-
 
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Old Apr 13, 2008 | 06:25 PM
  #15  
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From: St George, SC I-95
yeah 2 different animals.

39s and 4.10s would be ridiculously bad but you would be much happier with a minimum of 4.56s.

4.88s would be my choice.
 
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