Lifts/wheels/tires

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Oct 15, 2015 | 07:20 AM

Chzbrger

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Lifts/wheels/tires

I have 2013 F250. 65k miles. 4" skyjacker lift. DPF, ERG delete. SCT programmer w/wicked wheel put in the turbo, KN Air intake..35" Ntto grapplers. I have a double shock steering stabalizer(skyjacker).
My questions are....drives great up till 75mph, then I get shimmy. Doesn't feel like the steering wheel, but more in the truck. It never did it until I went from 34" tires to 35"...before the lift. Any ideas? Also I wanna go to a 37" tire, any ideas? I have lots of HP and Tourque. Love the truck. But I drive mainly all road miles. A lot. So looking to make it all fit together better

Oct 15, 2015 | 07:25 AM

SavageNFS

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From: Wisconsin

I'd have them check the wheels and tires for out of balance again. Sounds like they are out of balance.

Welcome to FTE!

Oct 15, 2015 | 07:33 AM

Chzbrger

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Thanks. Already checked them. I see you have airbags vrs shocks/springs? How does it ride? Cost? Iv thought about going to bags but haven't met anyone with them. Also I wanna go to 37" with 22" rims... The look is so much better to me. Just wondering

Oct 15, 2015 | 08:00 AM

SavageNFS

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Joined: Mar 2012

Posts: 20,148

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From: Wisconsin

If they have road force balanced, then they are likely ok. If they haven't been road force balanced (vs. just spun balanced), then that could still be the issue I assure you. I've seen it many times.

I don't have air suspension, just air bags in combination with the springs/shocks. Lot's of guys run them here. There are a lot of threads about them. Search away.