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Gear Question

Old Nov 8, 2010 | 02:52 AM
  #11  
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Originally Posted by HammerZ71
You can't make any assumptions! Get the damn build sheet. I thought I had it figured out what packages had what gears at one time BUT there is NO rhyme or reason. I've seen 20's with tow package with 3.55s and I've seen V6 RC trucks with 17s with 3.92s...

They used to have a "request build sheet" option under the "contact us", but I don't see it there anymore. Send them an email with your vin and ask them for a build sheet. Good to have one, even if you already know your gear ratio...
Your bang on right there Hammer.
My 5.7 03 Hemi 4x4 SLT QC SB with a tow pack & plastic clad flower petal 20's, came with the crappy stock LSD and 3:55's.
I'm now the proud owner of a full set of Motive 4:56's and will soon be installing them to "wake up" my baby ha ha ha.
 
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Old Nov 8, 2010 | 10:52 AM
  #12  
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getting a build sheet is your absolute best bet and most accurate info on your truck you can get for gear ratio and everything else.
 
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Old Nov 8, 2010 | 01:17 PM
  #13  
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To request a build sheet for your truck, go to the following link and hit the “Send us and Email” hyperlink. Once you get to the new page, fill out the information including your VIN. In the description field, ask that a build sheet be sent to you. When I did it, it took three or four days to get it.

http://www.dodge.com/webselfservice/dodge/index.jsp?screenName=customer&country=us&emailUrl= goToEmailForm%28%27R%27%29
 
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Old Nov 9, 2010 | 10:38 AM
  #14  
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Can also just do a dealership walk in unless you have to pay the dealership for labor :P
 
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Old Nov 9, 2010 | 11:14 AM
  #15  
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Keep in mind a build sheet may not be accurate if you are not the original owner and/or the truck has been modified. IMO, It's easy enough to just jack a wheel off the ground and count the drive shaft rotation.
 
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Old Nov 9, 2010 | 03:52 PM
  #16  
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Just got an email from Dodge that included my build sheet. Took 2 days.

DMHS - 3.92 Rear Axle ratio
DRBS - Corporate 9.25 LD Rear Axle
DRBS - Anti-Spin Differential Rear Axle

Learned what other options my truck came with as well.

Thanks
Bill
 
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Old Nov 9, 2010 | 04:01 PM
  #17  
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Nice, now you know you need to get that LSD out of there while you still have a rear end...
 
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Old Nov 9, 2010 | 04:09 PM
  #18  
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Geez Hammer, he just got here. Dont scare him away already!!
 
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Old Nov 9, 2010 | 06:50 PM
  #19  
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Originally Posted by HammerZ71
Nice, now you know you need to get that LSD out of there while you still have a rear end...
Is the LSD a weak point? Any info or recommendations would be appreciated.
 
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Old Nov 9, 2010 | 08:08 PM
  #20  
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Originally Posted by drewactual
Put that rascal in the grass and stand on it... 3.55:1 will turn one wheel, 3.92:1 will turn both. The 3.55's aren't LSD to my knowledge.... 'Course, I've been wrong before, but I think the 3.92:1 9.25 rear ends are the only stock carriers on these trucks that are LSD.

I mean hell, you may as well have fun with it, right?
If you "stand on it", you'll get a false reading. It'll spin anyway. If you goose it, you'll find out if it has LSD. Yes, 3.55s came with LSD.
 
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