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Jeep Wrangler JK
JK General Discussion
Do I need Dana 44 front to run 37” tires?
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<blockquote data-quote="Dirty Dog" data-source="post: 459525" data-attributes="member: 24042"><p>Obviously, how you drive and what the axle is connected to makes a difference. The D44 axles under our Wranglers hold up just fine with lockers and 35's, behind the JK engines. But swap in the LS3 out of my Vette, and you can expect them to last about 8 feet. With the JK engines, put on beadlocks, drop the tires down to 5PSI and sidestep the clutch a few times and they'll go boom.</p><p></p><p>There is a big difference. The D44 has a beefier ring gear. The D30 axle is 27 spline, 1.13" diameter. The D44 is 30 spline, 1.31". If you don't think more than 1/8" extra steel is significant, you should think again.</p></blockquote><p></p>
[QUOTE="Dirty Dog, post: 459525, member: 24042"] Obviously, how you drive and what the axle is connected to makes a difference. The D44 axles under our Wranglers hold up just fine with lockers and 35's, behind the JK engines. But swap in the LS3 out of my Vette, and you can expect them to last about 8 feet. With the JK engines, put on beadlocks, drop the tires down to 5PSI and sidestep the clutch a few times and they'll go boom. There is a big difference. The D44 has a beefier ring gear. The D30 axle is 27 spline, 1.13" diameter. The D44 is 30 spline, 1.31". If you don't think more than 1/8" extra steel is significant, you should think again. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Do I need Dana 44 front to run 37” tires?
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