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Mopar Lift - advice for improving hwy ride?

steve68

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Thank you so much! I did that. Also swapped wheels at the shop to compare, and everyone agreed the ride/handling issues were definitely caused by the tires.
Contacted BFG for their Satisfaction Replacement Guarantee, and they agreed that Load E rated tires are best suited for a heavier vehicle - such as an F250 or Silverado HD. Recommendation was to swap them for a slightly different size tire that came in a Load C, 6-ply rated version (315/70 R17 113) which just happens to be the tire they developed for the Ford Raptor because of ride harshness complaints.
New tires are mounted, and it's much better now! Very close to stock ride/handling, and no more getting "bounced" into the next lane over uneven pavement. Load E tires are just way too stiff for this truck, that's all.
Had this same problem on my 12' Rubicon JKU, Had 35x12x17's was living/working in Virginia and would drive home to Florida for holidays, had them balanced in FL at my local Discount tire, got on the road to Virginia and the ride was terrible, took it to a place in VA, balanced was great, 2K miles later hopping all over the place, again balance, 2K and hopping all over the place! crazy, opened a trouble ticket with Discount and Michelin. Go to SC, nothing wrong with the tires, but, there all worn differently, everyone's scratching their head, I say, because, it hops going down the road, because there to stiff!! Discount replaces tires, and try's to go with the same size, I did what you did, change to the 315 vs 35, ride is amazing! so much better, I agree there's not enough weight and the side wall is to stiff, wrong tires for the vehicle!!
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Factoid

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I love my Mopar lift with 37/13.50-20 Nittos. I think the OP just needs 10 sheets of 1/2” plywood in the bed if he keeps those heavy duty tires.

Sounds like a great outcome sourcing the correct tires and getting BFG to pay. Like that!
 

Armyman247

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Ok I gotta ask the obvious was the install correct? There is a different part number for each corner. Could be different spring rates given weight on a particular corner.
 

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RiverMtnBeach

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I love my Mopar lift with 37/13.50-20 Nittos. I think the OP just needs 10 sheets of 1/2” plywood in the bed if he keeps those heavy duty tires.

Sounds like a great outcome sourcing the correct tires and getting BFG to pay. Like that!
Yep! I was commuting with 4 bags of sand in the back. ?
The shop actually swapped on someone else’s 37” nittos just to see - they weren’t bad! Compare Load Index, I think you’ll see the Nittos are lower, at least those were (Load D, 8-ply rated vs 10-ply I think).
 

Frenzyrider

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Both those lifts are more expensive than the Mopar lift and do not include shocks.
K. Stick with Mopar then. When I mentioned it is overpriced, it is because of what you get with it. If you add adjustable track bar, adjustable LCA, it will be closer or higher than MC true dual rate w/ Rockport shocks.
Do what is best obviously for your circumstance. If you do quite a bit offroading, just watch for spring buckling with a fixed factory track bar. I wouldn't put the Mopar alone just to save a few hundred dollars. My decision was a Jeep to me quite expensive itself. I will use some spacer lifts initially to see how I do on obstacles and save a bit overtime to put a high quality lift once for all.
Here is another video and obviously has polarizing opinions.
 
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JeepCares

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Thank you so much! I did that. Also swapped wheels at the shop to compare, and everyone agreed the ride/handling issues were definitely caused by the tires.
Contacted BFG for their Satisfaction Replacement Guarantee, and they agreed that Load E rated tires are best suited for a heavier vehicle - such as an F250 or Silverado HD. Recommendation was to swap them for a slightly different size tire that came in a Load C, 6-ply rated version (315/70 R17 113) which just happens to be the tire they developed for the Ford Raptor because of ride harshness complaints.
New tires are mounted, and it's much better now! Very close to stock ride/handling, and no more getting "bounced" into the next lane over uneven pavement. Load E tires are just way too stiff for this truck, that's all.
Sounds good, RiverMtnBeach! If you have any future questions or concerns, we're in private message.

Kate
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guarnibl

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I kind of also generally feel that people might be expecting too much from a $1400 lift kit when you start throwing in additional variables that owners introduce like specific wheel/tire combination. For just highway driving maybe not I guess.
 
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RiverMtnBeach

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I kind of also generally feel that people might be expecting too much from a $1400 lift kit when you start throwing in additional variables that owners introduce like specific wheel/tire combination. For just highway driving maybe not I guess.
True - I had my expectations from an actual test drive, and the exact tire specs are easy to overlook. This is especially true when the only visual difference is a small letter on the sidewall. Personally, I feel the kit was a good value considering peace-of-mind tinkering around with complex engineering on a $50K vehicle. If the manufacturer stands by it, I'm willing to pay a premium even if a 3rd party makes something a little more complete. Overall, very happy now! Could use some Fox 2.0 adjustable shocks for the rear, adjustable track bar, steering stabilizer to compensate for the increased scrub radius, etc., but didn't expect that to be included for $1400 anyway - future wish list!
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