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Took off the RC 2 lower spacer and installed Bilstein 5100 all around. Way better ride then the stock Rancho.
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Front: 2.5" top spacer level, fabricated 1" differential drop, lowered bump stop 1", extended steel sway bar end links w/ poly bushings

Rear: Shackle flip, 7" shackle, add-a-leaf, factory block removed, 4* shim (pointing pinion back down), 2" welded shock tab extensions, polyurethane bushings. Soon adding rear sway bar.

275/70r18 Fallen Wildpeak AT3W all around.
 
RRDave said:
2012 Silverado Z71
2.5" Front, 3" rear block
Truck had additional rear spring when I bought it
285/60/20 Firestone Transforce AT on factory 20" wheels
Fender measurements
Front: 40.25" & 40.75"
Rear: 42.75" & 43"
RRDave what brand front and rear lift did you go with?
 
Rough Country 2.5" leveling kit with 2" rear blocks. Stock 265/65-18 tires until I can get either 275/70-18 or 285/65-18 - your suggestions?

As you can see, the front is now higher! Given that I have a cap for winter, I just bought longer RC U-bolts and plan to put the stock 1" block back in under the RC 2" block.

I had a shop do the install, so my question is:

What's the easiest way to install the rear blocks?

Rough Country says jack up (doesn't say where to put the jack - frame or axle), remove lower shock bolts and that drops the axle to create the space to install blocks.

One person took off rear wheels, put jack stands under the frame rails at the rear and removed the u-bolts.

Another person put jack stands under both sides of axle, removed U-bolts and then put a bottle jack to push leaf spring up (I don't have a tall enough jack to do this).

Thoughts?

Thanks
 

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REVSIX said:
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2.25" ready lift, 17" -6 pro comp rims with 2" spacers on stock 265/70r17 firestone le2 tires which will be changed soon. Was thinking 285's

Will need NorCal mod to run 285s with that offset and spacers = -56mm offset. My 285s rubbed some with 3.5in of lift and -19 wheels.

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