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12-06-2010, 05:18 PM
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#1
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Registered User
Join Date: Apr 2007
Location: Philadelphia
Posts: 361
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Looking to help a friend / co-worker
A friend recently bought a 2011 Sport, without talking to me first, or really researching anything about the JK. At this point I'm not sure what axles he has etc... I'm looking into lift and tire options for him. I have been through all the research for my 04 Rubicon & now I'm helping him decide on a lift & tire combo & of course the install.
Does the JK forum have a specification thread? Like this one for the TJ's...
http://www.jeepforum.com/forum/f9/st...ations-452871/
If not could some one point me to somewhere that may have that info. I'm specifically looking for gear ratios and issues with 35's and automatics...
Thanks, and sorry if I overlooked a JK faq section.
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12-06-2010, 05:39 PM
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#2
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Registered User
Join Date: Jul 2009
Location: Alliance,NE
Posts: 132
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JKowners.com is a very good resource for anything JK related.
The sport has a Dana 30 front axle which will not stand up to those 35's also i think those have 3.73's
__________________
Wheels Up Wheelin'!
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12-06-2010, 05:42 PM
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#3
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Registered User
Join Date: Oct 2010
Posts: 2,560
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Quote:
Originally Posted by jester116th
JKowners.com is a very good resource for anything JK related.
The sport has a Dana 30 front axle which will not stand up to those 35's also i think those have 3.73's
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Correct, they can come stock with 3.21's or very commonly upgraded to 3.73's, and even lower if the towing package was added.
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12-06-2010, 05:43 PM
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#4
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Registered User
Join Date: Oct 2008
Location: NORCAL/NORNV
Posts: 3,043
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 if he bought it new, where's the window data sheet and the owners manual ??
All the details are there!
 JIMBO
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12-06-2010, 05:47 PM
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#5
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Registered User
Join Date: Oct 2010
Posts: 2,560
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Quote:
Originally Posted by JIMBOX
if he bought it new, where's the window data sheet and the owners manual ??
All the details are there!
JIMBO |
Owners manual won't really help, but window sticker would answer all questions...
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12-06-2010, 07:20 PM
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#6
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Force Wheeler
Join Date: Oct 2007
Location: Texas
Posts: 2,552
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lots of people actually run 35s on their dana 30 front axles...I wouldn't say it won't hold up...you might have some issues if you lock it without chromolies, etc...but lots of guys run 35s on those dana 30s...
__________________
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RIP Mrs. yoda13... My life is better for having had you in it and you made me a better man...I can't wait to see you again...I love you always and forever, and for all eternity
If you want to help the sport of off-roading, and protect your right to do so, please visit the Envirobeat forum...
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12-07-2010, 12:08 AM
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#7
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What was I thinking?
Join Date: Sep 2009
Location: Los Angeles, California
Posts: 5,317
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JK F.A.Q. is in my signature below and in the stickies at the top of the forum.
No need to leave the JeepForum site to get all of the info you are looking for.
Tell your friend to come and join the club 
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12-07-2010, 02:46 PM
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#8
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Registered User
Join Date: Apr 2007
Location: Philadelphia
Posts: 361
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Quote:
Originally Posted by JLC08JK
JK F.A.Q. is in my signature below and in the stickies at the top of the forum.
No need to leave the JeepForum site to get all of the info you are looking for.
Tell your friend to come and join the club
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Sorry, I was looking for a faq like the TJ one, it literally had everything I needed to determine how big I could go with stock gears etc... Any way, am I getting this right, all auto sports are running 3.21 gears?
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12-07-2010, 03:06 PM
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#9
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Registered User
Join Date: Jul 2005
Location: Houston, TX
Posts: 1,917
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Quote:
Originally Posted by jester116th
JKowners.com is a very good resource for anything JK related.
The sport has a Dana 30 front axle which will not stand up to those 35's also i think those have 3.73's
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There are plenty of JK owners running 35s on their Dana 30s, the JK's 30 is not the same as the 30s used in the TJs, YJs, and CJs.
__________________
Jeep garage:
2011 Jeep Wrangler JK - 33" BFG KM2s, 2.5" RC BB, ARB bumper, IPF 900XS, Superwinch EPI 9.0, AEV Snorkel
1995 Jeep Wrangler - 4 cyl, 2.5" lift, BFG AT 30s, Ford 8.8, SYE+CV, AX15 swap, ARB snorkel, Aussie locker + loads more - sold
1978 Jeep CJ-7 - 304 V8, TH400 auto and quadratrac
2007 Jeep Liberty - Mother's Jeep, BFG ATs and....mud?
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12-07-2010, 04:42 PM
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#10
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Registered User
Join Date: Jul 2007
Location: Sugar Land, TX
Posts: 326
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35's on Dana 30 is certainly doable. I have an ARB locker installed up there and haven't broken anything yet. Time will tell, but I have a trip to Moab, SW Colorado, and Northern New Mexico under the belt with that setup.
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Banks Monster exhaust -- K&N 77 CAI -- 3" Black Diamond Lift
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AEV front bumper w/ Warn Powerplant -- Custom safari roof rack
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Looking to help a friend / co-worker
