2004 - 2008 F-150
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New rear end - oem LS or TrueTrac

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Old Mar 22, 2009 | 10:39 AM
  #16  
jimc2004's Avatar
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Originally Posted by bigdog87
Your truck looks really good.
Thanks -
 
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Old Mar 22, 2009 | 10:58 AM
  #17  
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From: iowa
Originally Posted by jimc2004
Thanks for the advice guys. I think I am just going to allow them to service the OEM LS. A TrueTrac or similar "improved" LS would be nice, but I don't know that the extra $500 for another type of limited slip is worth it. I really don't want a locker for my truck as it really only sees tough offroading 2-3 times per year on trips up to the sand dunes, and I have to drive in Michigan winters and I hear that full lockers are not good for ice and snow.

Someday I will have a dedicated offroad rig and a daily driver, until then I will have to make compromises like this.

Thanks again
thats the exact decision i made in a post 2 weeks ago, i cant wait to get a 3 series to park next to my truck...
 
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Old Mar 22, 2009 | 12:50 PM
  #18  
4.6 Punisher's Avatar
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From: Douglasville GA
Sorry to jack this thread, but what's a good limited slip for street use?
 
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Old Mar 22, 2009 | 04:35 PM
  #19  
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From: Colorado
Originally Posted by 4.6 Punisher
Sorry to jack this thread, but what's a good limited slip for street use?
+2. I have stock 3.73's but was considering 4.10's.
 
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Old Mar 22, 2009 | 04:45 PM
  #20  
HYPO's Avatar
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From: Michigan
Originally Posted by RoushF150
+2. I have stock 3.73's but was considering 4.10's.
Check my post reply above.

HYPO
 
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Old Mar 22, 2009 | 04:56 PM
  #21  
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From: Colorado
Originally Posted by HYPO
Check my post reply above.

HYPO
Thanks.

Although it will be interesting to see how that configuration holds up to 360+ RWHP worth of abuse.
 
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Old Mar 22, 2009 | 09:05 PM
  #22  
Josiah's Avatar
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From: Northern CA
Originally Posted by HYPO
The things about a True Trac that are different than a standard clutch type LS differential are: 1) the differential is gear driven and requires no maintainance or rebuilding, ever. 2) If one tire starts to slip, you can lightly apply the brakes and that wheel will then lock up. For me, this unit offers most of the best of both worlds with few of the disadvantages. For the occaisional off roader, like me, it works very well. If you are a frequent or hard core off roader, you might want something different.

HYPO
HYPO, while you are correct that applying a brake will help lock it up it's the E-Brake you apply if the LS is in the rear. But it's not going to work miracles, by design it is made to have a threshold where it eventually slips otherwise this would be a locker (many lockers slip and then lockup upon sensing this).

I just don't like having an LS that determines (totally unbeknownst to me) if it's going to deliver the traction I need or not. That's pretty scary when you are neck deep in trouble and are praying for it's performance
 
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Old Mar 22, 2009 | 11:40 PM
  #23  
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From: wisconsin
I have driven trucks with a locker in wisconsin ice and it really isnt that bad. When my stock ls goes thats what im gonna run , if i dont have a new ride by then.
 
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