07+ Brake upgrade on a 00-06 NBS, is it worth it?

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S33k3r

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5x10

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Want to upgrade but worried my wheels won’t allow for bigger rotors, you guys think I’m ok with my stock 17 wheels?
 

Jimmyy

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I know they are trying to get a list of what rims work with the upgrade.

 

Marky Dissod

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Want to upgrade but worried my wheels won’t allow for bigger rotors. you guys think I’m ok with my stock 17" wheels?
GMT900 1500 brake upgrade fits and works inside 17" wheels with no issues. OE GMT900 wheel is usually 17" ...
although I do wonder about the GMT900 2500 front brakes ...
 
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ScottyBoy

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Want to upgrade but worried my wheels won’t allow for bigger rotors, you guys think I’m ok with my stock 17 wheels?

To answer your question, YES. The GMT900 brake upgrade on a 00-06 will fit fine with 17" wheels. I did the swap on my 2001, and I have 17" wheels on my truck. Just be aware that if you don't get a 17" spare as well, then you will have to be aware of this if you get a flat tire on a front wheel. You'd have to put the spare on the rear, and move that 17" wheel from the rear on to the front.
 
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ScottyBoy

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Also, since I'm the one who started this thread, I guess I should give somewhat of an update.
I did this brake upgrade in February of 2017 on my 2001 Suburban, which is my daily driver. It's now seven years later, and I'm about due for new brake pads and rotors. I don't know the exact mileage, but I believe it's somewhere in the range of 50k-60k more miles I've put on my truck since 2017. I used all PowerStop brake parts except for the pads. I used Wagner Thermoquiet Ceramics as I've had good luck with those when I had the original stock calipers, and outstanding results with them on other vehicles. I used the PowerStop "kit" before on this truck, and my wife's previous vehicle and I didn't care for their pads. They wore out fairly quickly, and they made a shit-ton of brake dust on the wheels. Back to the parts I used, in addition to the Wagner Thermoquiet brake pads, I bought the PowerStop red powder coated calipers and brackets for a 2008 Suburban. I also ordered PowerStop drilled and slotted rotors for a 08 Suburban. I also replaced the brake hours while I was at it, but I ordered a set to fit my 2001, and they mated to the 08 calipers with no problem. Basically everything all went on without any problems. I also replaced/flushed all the brake fluid. I noticed an immediate improvement in stopping power when I was done with the brake upgrade. When I did a very quick stop, the tires would now screech on the pavement for a second or so. I've never had it lock up the brakes that hard prior to that day. Do I think it was well worth it, hell yes I do! And now it's time to order more 2008 pads and rotors for old reliable 2001 that I've owned for 19 years now.
 

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I was about to order a kit but went and looked at my current calipers, looks like they are double piston already , wonder if the prior owner already upgraded
 

Fless

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I was about to order a kit but went and looked at my current calipers, looks like they are double piston already , wonder if the prior owner already upgraded

The OE calipers ARE two-pot, and the overall diameter of the rotor is a hair under 12". The NBS rotors are right at 13" overall, with larger pads. Get out the measuring stick to see what you have.

1715607172582.png
 

Matthew Jeschke

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I'm looking into doing this. That said, my 2001 brakes are pretty awesome as is. I can easily lock all four tires up / kick in ABS. Anyways, why not sounds like the GMT900 setup for fronts is a direct bolt on with 17" tires. Forgive me if I've not read all the 53 pages on this post to glean every detail. I maybe asking something already covered...

What is the difference between the Police Pursuit callipers and the standard callipers? Is it just seals?
 

deathfry

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Sorry I must be late to the party but does REAR calipers from 900/K2 fit Tahoe 800 bolt-on?
 

Roilux

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.... Just be aware that if you don't get a 17" spare as well, then you will have to be aware of this if you get a flat tire on a front wheel. You'd have to put the spare on the rear, and move that 17" wheel from the rear on to the front.
After doing my brake upgrade I thought I'd be slick and use a matching 18" Silverado wheel as a spare. (Past events provided two extra wheels mounted to very good Michelins.) The enthusiasm was quickly chilled when the bracket that holds the spare in place would not fit through the aluminum wheel. I was hesitant to modify the bracket as it appeared too much material would need to be be removed to become functional.

I bought an aftermarket tire hoist with a bracket that appeared to have better odds of fitting with little to no modification. It was close and only required a little trimming. See photos. Trimmed area outlined in blue.

Hoist - https://www.amazon.com/gp/product/B085Q8FBR2?psc=1
 

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Fless

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After doing my brake upgrade I thought I'd be slick and use a matching 18" Silverado wheel as a spare. (Past events provided two extra wheels mounted to very good Michelins.) The enthusiasm was quickly chilled when the bracket that holds the spare in place would not fit through the aluminum wheel. I was hesitant to modify the bracket as it appeared too much material would need to be be removed to become functional.

I bought an aftermarket tire hoist with a bracket that appeared to have better odds of fitting with little to no modification. It was close and only required a little trimming. See photos. Trimmed area outlined in blue.

Hoist - https://www.amazon.com/gp/product/B085Q8FBR2?psc=1

I don't understand how the OE one wouldn't fit through the hub hole. These wheels are hub centric and have the same hole diameter, don't they?
 

Roilux

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I don't understand how the OE one wouldn't fit through the hub hole. These wheels are hub centric and have the same hole diameter, don't they?
I expected it to slip right through. While the hub opening diameter is the same, the aluminum wheel at the hub hole was considerably thicker than the steel wheel. The shorter 'ears' and deep bell shape of the original carrier prevented it from passing through completely and seating properly.
 
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ScottyBoy

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I expected it to slip right through. While the hub opening diameter is the same, the aluminum wheel at the hub hole was considerably thicker than the steel wheel. The shorter 'ears' and deep bell shape of the original carrier prevented it from passing through completely and seating properly.
Thankfully I avoided this with a steel 17" spare from a 2006 Silverado. Also, if you still have a stock 16" spare with bigger front brakes, you can still get by with it. But it will only fit on the rear once you upgrade the front brakes. So if you get a flat tire on the front, you'll have to install the spare on the rear tire (of that same side) and move the rear wheel up front. Its twice as much work, but will get you home if you're stuck on the side of the road.
 

Bocephous

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Reviving this thread because this is the next thing I want to get done to my 2005 Z71. I was going to order this kit for a 2010 and just wanted to make sure there won't be any issue with the brake hoses fitting my Tahoe. I have 18" rims on it already from a Silverado.

 

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