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4" lift ( Rancho / Cognito ) or leveling kit

klind

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SMiller Senior Enthusiast

SMiller

Posted
Posted

285/65/20 Goodyear DuraTrac's, BONE STOCK suspension with stock keys turned 1 1/2 turns from bottoming out so almost another 1/2in. of lift left, zero rubbing ever, still rides good although I would still install shock spacers because I know the shock will bottom out now.

 

IMG_20150909_143618.jpg

 

For the 100th time, keys do nothing unless you are going past what the stock bolts/keys will do.

 

I find I like the height and width of the 275's more then the 285's as the 285's are to wide for the stock wheels and I also like the heigth of the 275's (34.1 vs 33.5) I also like the truck almost completely level, the snow plow prep package will easily get you there but a non snow plow prep truck comes just a little short of being leveled which looks good enough for me and saves on having to buy/install keys.

 

Snow plow prep sucks on the '15's as you loose home link and power rear slider while gaining the super stiff torsion bars that ride like shit. Snow plow prep has super long torsion bar bolts allowing you to crank the hell out of the bars, even farther then the shocks and frame stops allow.

  • 2 months later...
HELIRN74 Enthusiast

HELIRN74

Posted
Posted

I installed ready lift keys and bilstein 5100s on my 2015 Sierra 2500 and was able to fit a 285/65/20 Ko2 and the truck rides better than stock

did you have to do anything in particular when switching shocks out? Still like them?

 

 

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SMiller Senior Enthusiast

SMiller

Posted
Posted

did you have to do anything in particular when switching shocks out? Still like them?

 

 

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There is no way you can leave the shocks alone as they will be completely topped out when leveled, having said that all you need is double spacers and the longer bolts, 15min. job. Even if you run aftermarket shocks you still need spacers as the aftermarket shocks are not any longer then the stock shocks.

 

The ride will suck regardless as instead of topping out on the shocks you will now do it on the frame stops, you really need shock extenders and aftermarket upper control arms so that you will not top out every time you hit a bump.

SMiller Senior Enthusiast

SMiller

Posted
Posted

I tried editing my post at the top of the page with the Danali to say 285-60-20's and it won't let me so that everyone know the tire size is 285-60-20 and NOT 285-65-20.

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