questions about running 33s on 3.73 - Page 2 -
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Unread 08-12-2010, 05:54 PM   #16
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2000 TJ Wrangler 
Join Date: Jul 2008
Location: San Jose, California
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hmm, NV3550 here w/ 3.73s Will be going to 35" KM2s this winter.... Makes me think I should wait to put them on until I have the gears on hand first.... food for thought...

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Unread 08-12-2010, 06:21 PM   #17
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2006 TJ Wrangler 
Join Date: Jul 2009
Location: Erie PA
Posts: 179
I run 33's with 3.73 gears (4 speed auto) and its no big deal. I rarely use OD on the highway as my RPMs are fine in third. OD is always off in mine anyway as most of my driving is city to and from work. My goal is 35" or maybe even 37" but thats not for a couple years. I wont go over 33" without regearing though. I think that would be pushing it.
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Unread 08-12-2010, 06:40 PM   #18
Neil F.
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2003 TJ Wrangler 
Join Date: Oct 2007
Location: Marlton, NJ
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I have 33/3.74 antd a 4 speed auto and I think it is fine. (my other care is a nicly modified 5.0 Mustang so I an used to power) I have no problems with passing on the highyway. Floor it and it goes.
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Unread 08-12-2010, 08:42 PM   #19
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I have 33" with 3.73 in an '87 MJ with 4.0L and BA 10/5 and discovered it was perfect. I tried 4.10s and discovered my power dropped too much. HO is different though with the power band moved higher so 4.10s would be better.
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Unread 08-12-2010, 09:13 PM   #20
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1998 TJ Wrangler 
Join Date: Dec 2009
Location: Springfield,OH
Posts: 883
I have 33x12.50 with 3.73's and personally love it, i have no trouble acclerating up hills and rarely have to down shift to 4th. Interstate travel is fine im at 2000 RPMs in 5th and never down shift uless the hill is really big.Acceleration is fine aswell, i manily travel country roads.No probs here! Also a friend of mine has 3.73's on 35's and its tolerable.
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Unread 08-12-2010, 09:20 PM   #21
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2006 TJ Wrangler 
Join Date: Nov 2006
Location: Titletown, WI
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i ran 3.73s and 33s for about 3-4 years before i regeared its not optimal but you can make it work, but honestly after regearing i have no idea what the hell i was waiting on but dont get me know i had no problem before i regeared

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3.73 , 33s , 42rle , gearing , gears

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