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Discussion Starter #1
Hey, I just picked up a "new" truck to use as a work commuter. It's a 2006 Chevy Silverado 1500 Regular Cab Short Box 4x4.

The previous owner said it had a "3 inch lowering kit" installed when he bought it new, but he removed it to try and make it sell quicker. Lifted trucks are more common in these parts than lowered.

He gave me all the spare parts but I'm trying to figure out what I'm actually sitting at now, and where I'll be with the parts I have.

Current measurements from center of hub to fender is 22" on all four corners. Fender to ground is 36.5" up front and 37" out back rolling on some worn out 275/55r20's.

The front has the stock Green keys and the back has a 2" block. He did leave the lowering shackles in there though and are set on the top bolt hole (lowest height).

Pics of current set-up:

_20-1_zpscui5mf1m.jpg


_20_zpskqoab8g4.jpg


Rcsbb_zpsleyhjjtz.jpg


The box of spare parts has two sets of keys:

20140823_220503_zpsjlajsdwo.jpg


The ones stamped Keyway 06 are the lowering keys that he removed, online they say they're good for 2-3" of lowering. The other keys look like GM part #'s but not sure what they're off of. Indexing looks the same to the lowering keys though.

I'm not looking to spend any money on it other than a wheel alignment and it still has to be somewhat practical. So the most I can get out of the back is to just pull the 2" block, but what about the front? Can I decrank the stock keys enough or should I go ahead and swap in those lowering keys too?

If I end up with measurements around 20" from hub to fender, what kind of drop is that? 2/4??? I'll also need to replace the tires, wondering if a fresh set of 275/55r20's will fit becuase those in take-offs are plentiful in local classifieds... or should I stick to 275/45r20s?

Any comments or suggestions would be greatly appreciated!
 

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Discussion Starter #3
Any idea if the truck came with blocks in the back from factory or not?

Just wondering how much of a drop I'll actually have when I'm done.
 

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Discussion Starter #5
Well I've decided to book it into the shop early next week, trying to find a rental place locally that carries the torsion bar unloading tool seemed impossible and I've heard too many horror stories about broken c-clamps... I know the owner of the shop so he's only charging me an hour or so to swap the keys and pull the blocks. It's where I would be getting it aligned anyways.

In the end it should be around a 2/4 drop, do most of you guys have the front/rear fenders at the exact same height or slightly higher in the back?

What size tires on 20" rims do you recommend?
 

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Discussion Starter #6
Well today I had the "lowering kit" put back in the truck today.

Before with Drop Shackles + 2" Block, and stock keys cranked to level:

20140823_090826_zpsdkzfmpg8.jpg


Current with Drop Shackles, block removed, lowering keys de-cranked:

20140902_171518_zpsnvdeqxu7.jpg


20140902_171543_zpssrqkwffk.jpg



Fender measurements are 18.5"/20" from axle to fender and 33"/35" from ground to fender. Previous was 22"/22", so I came down the obvious 2" from the block in the back and about 3.5" in the front.

I really wish I could of gotten the back lower, but I don't think anyone makes more of a drop shackle and I'm not about to start a flip kit or doing hangers.

I didn't have time to get it aligned today so I may try cranking up the front an inch to get rid of some of the rake.

Here's some more pictures, do you think these CV angles look okay?

20140902_171642_zpsjuhnfxvr.jpg


Don't mind the oil, it was a PS hose that's been replaced:
20140902_171622_zpsqsjpanmp.jpg


On the plus side, the bald 275/55r20's clear with plenty of room so finding a set of take off tires should be pretty easy.
 
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