373 vs 410 gears pros and cons
07-08-2017, 06:35 PM
#1
JK Freak
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373 vs 410 gears pros and cons
I am looking at new jeeps argh!!! and I test drove the new recon today with 373 gears and then a rubicon with 410 gears It seemed like there was more power available with the 410 but just barely ? seat of the pants feel ... so is there any advantage to a 373 gear set. what if I plan to goto a lightly larger tire say a 315 70 17 ? and how about for towing?
I als was wondering if I can squeeze 315 in there with out a lift but just spacers? what do you think?
I als was wondering if I can squeeze 315 in there with out a lift but just spacers? what do you think?
07-08-2017, 08:08 PM
#3
JK Junkie
I have 373 with stock tire size on my 2012. I tow a pretty big trailer. I've actually towed as high as 5000 pounds. Mine is a manual transmission. I wish I had 410 rear. Here's why: when towing a heavy, boxy trailer, I like to go around 65mph. At that speed, the rpms don't quite have enough power to use 6th gear. If I drive 70+ mph, I do keep the rpms high enough in 6th gear to maintain speed. However, I don't want to drive 70+ while towing, therefore I leave it in 5th gear. If I had the 410's, then I likely would be able to use 6th gear for highway towing.
07-09-2017, 11:28 AM
#5
JK Enthusiast
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There's only 10% difference in final drive ratio between the two. All things equal, go with the larger, but if the other jeep is otherwise a better deal, I'd reduce the importance of only 10% difference in gearing.
07-09-2017, 11:33 AM
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JK Super Freak
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Totally agree. Pick the Jeep you like best and don't base your decision on gears alone. Neither 3.73 or 4.10 are preferable with 35s so you'll be looking at a gear change to at least 4.56 anyway.
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07-10-2017, 04:53 AM
#8
JK Jedi
there are no cons in getting 4.10's unless you plan to regearing to 4.56 or 4.88 or even numerically higher which would make them a waste of money then. While there may only be 10% difference in 3.73 and 4.10's on the interstate or in hilly two lane driving if you have an automatic tranny your transmission will do a lot less downshifting on little hills with the 4.10's.