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Thread: KMW's Colorado ZR2 build

  1. #21
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    And, one of my favorite parts about the truck! This was the trip back. 4 adults, and 350# of gear in the bed. 😎




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    Last edited by Just me; 10-11-2017 at 07:20 PM.

  2. #22
    Administrator venturer's Avatar
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    Try some 33" Ko2 tires... you might gain some mpg with extra clearance too! The Duratrac tires are extremely aggressive for being AT rated. Cool videos. Surprise Lake looks like a nice destination.
    2010 Winnie View - Tuned, 31" Duratrac, 2" Lift, ARB Dual Compressor, 920W Solar, Compressor Fridge/Freezer
    1998 Tacoma - 37s, ARBs, Dual Cases and Blower.
    1998 Ravi - Manual, 2DR, Convertible!

    -Peter

  3. #23
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    Yes, when I get these tires worn down I will be going to 33" tires. They can fit on stock wheels with just a little rubbing. I'll probably have to trim just a little. I will more than likely go with the Cooper STT Pro though. I ran the STT on my H2 and they were awesome on all conditions from deep snow, to mud, to Moab. And I got 53,000 miles out of them on my H2! I've got the STT Pro that replaced the STT on it more, and they are as good or better so far.

    I really like the looks of the Ko2. But with the miles I've gotten from the STT, I like the added off road performance.

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  4. #24
    Senior Member MarcusZR2's Avatar
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    Sweet ZR2! Nice to see you using it! Be great to see it in action in person! Maybe you'll join in on a trip soon ??? Lots of Chevy haters on here so it will be great to have more classy bow ties running the trails🍻 Btw here are my old and crusty ZR2's


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    The Rig---2000 Chevrolet ZR2 Blazer

  5. #25
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    Nice! I've always liked those ZR2 Blazers!

    I'll keep an eye on trips and try to make one. My issue is due to my work schedule I work weekends and am off on week days. Which I love hitting trails during the week, as there's no idiots out there. But it also makes it tough to go with other people with normal schedules.

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  6. #26
    Member H3slate's Avatar
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    The truck performs very well. I am impressed with how it gets over obstacles and doesn't get hung up with the 31" tires. I think of it like a goat, it just crawls over everything with very little effort and no drama.

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    2009 Hummer H3 Championship Edition, 5.3l V-8, 6 speed auto, front and rear e-lockers, leveled, oem rock sliders, KMW skid plates, low profile rear leaf spring plates, Purple Cranium rear diff cover, 35" Cooper Discover STT Pro's, KMW Expedition roof rack, Thorparts gen II winch bumper, Warn Zeon 10k winch w/ Masterpull synthetic winch line

    2006 Hummer H3 SOLD

  7. #27
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    Started yesterday afternoon and finished today. My truck is now deleted, and is just a good, solid, turbo diesel motor without all the crap that causes all the problems. I went with a Flo Pro stainless steel turbo back system. I was going to go with a AFE downpipe back system, but I saved $250 with this one on a Black Friday sale. AFE makes both turbo back and downpipe back systems, but Flo Pro only makes turbo back. I want going to replace the downpipe because all you gain is a little sound, no performance. But for the money I saved, I just did it.

    Getting the stock downpipe off IS A BITCH! Getting the new Flo Pro one on was a breeze. So much more room to work with without the giant cat that's integrated into the stock one!


    Here's the Flo Pro stainless turbo back system.





    Stock system out.





    Sensors removed and plugs sealed up.




    Didn't take a picture of the new exhaust hung in place, [emoji52] Guess I was too anxious to fire it up! I will say, the Flo Pro system fit perfectly. All the hangers lined right up and fit in the OEM rubber isolators with no issues at all.

    https://youtu.be/1wfp5bZW6JQ



    Only think left now is to remove the EGR valve and cooler. It's unplugged and non functioning, so its no longer pooping in it's own mouth. I just want to remove it so if I ever need to reform to stock it won't be caked full of soot and carbon. I have the block off kit, just need to get more time.

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  8. #28
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    Couple pics of the tailpipe. It sticks out about as far as the stock pipe, but sits up a little higher. I trimmed it off just inside the bed sheet metal. Tat way if it ever got hit it won't crush up into the bed. I may trim it back a little more later, inside the leaf spring. We'll see.

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  9. #29
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    Did you notice any improvement in power or mileage? Good call to remove early in the engine life to avoid gunking the motor.
    2010 Winnie View - Tuned, 31" Duratrac, 2" Lift, ARB Dual Compressor, 920W Solar, Compressor Fridge/Freezer
    1998 Tacoma - 37s, ARBs, Dual Cases and Blower.
    1998 Ravi - Manual, 2DR, Convertible!

    -Peter

  10. #30
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    The tune disabled all the torque management and gives a modest boost in power. Nothing crazy, since I'm going for longevity, but definitely noticeable. May tweak it a little more as we go.

    As for mpg, I don't have a tank of fuel through it yet, so we'll have to see.

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