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New KMC XD series Rockstar and Pitbull Rockers

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Old 07-05-2009, 05:18 PM
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Default New KMC XD series Rockstar and Pitbull Rockers

Check out my new rims and tires.............

Rims = KMC XD Rockstars (8.5x20)
Tires = Pitbull Rockers (37x13.50x20)

Here are a couple shots, check this link: Flickr page for before and after...

Also.. you may notice in the before and after, that I added a Rancho bumper... I created an install video that will be published soon.






Last edited by MORTON; 07-07-2009 at 04:55 PM.
Old 07-05-2009, 05:21 PM
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Not bad, 20"s aren't my thing, but they do look pretty good. Excellent photo skillz too!!!
Old 07-05-2009, 05:25 PM
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I like that you left the center caps off, looks good.
Old 07-05-2009, 05:31 PM
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i dig it, and i dig the tire carrier. rancho?

edit: duh.
Old 07-05-2009, 05:35 PM
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Yeah, its the Rancho... and the install was interesting, like I stated above, I created an entire video documenting the process. I should be done with the edit this week, I will post a new thread then...

I recommend watching before buying... just trust me.
Old 07-05-2009, 05:38 PM
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how do you like the ride comfort on 20s? is it different than stock ones?
Old 07-05-2009, 05:40 PM
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I have Fox shocks, so the ride is tight... but the new 20's feel the same. I'm running them 35PSI (Max is 60).
Old 07-05-2009, 06:23 PM
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Originally Posted by MORTON
I have Fox shocks, so the ride is tight... but the new 20's feel the same. I'm running them 35PSI (Max is 60).
I hope you realise that the 60psi max is only if the vehicle weight dictates. You should be running enough presure to ensure the tread surface runs fairly flat against the road. Unless your truck weighs 9k+lbs you would never need to run 60psi. From the looks of the wear(dirt) on the tire you are probably running them 5-7psi to high. I have 35"s and after chalk testing I settled right at 25-26psi for proper wear. Weather I like them or not I would hate to see you prematurley wear out a set of tires.


Chalk Test:

Find a straight flat road where you can start and stop saftley.

Use chalk to draw a line across your tead surface from top edge of shoulder block to top edge of shoulder block.

Drive foreward about 100 feet, get out and see if the chalk line is gone. If there is some left on the outer edges then decrease the pressure. If it was gone on the first test increase the pressure (about 2 psi at a time).

Goal is to find the highest pressure at which the chalk line completley disapears.


This will provide maximum tread life assuming you also balance and rotate regularly.
Old 07-05-2009, 06:36 PM
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Very nice never put the center caps on, Very well done
Old 07-05-2009, 06:39 PM
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Originally Posted by MORTON
Check out my new rims and tires..

Rims = KMC XD Rockstars (8.5x20)
Tires = Pitbull Rockers (37x13.50x20)

Here are a couple shots, check this link: Flickr page for before and after...

Also.. you may notice in the before and after, that I added a Rancho bumper... I created an install video that will be published soon.





How did you get the center of the wheel's blue like that??? I have the rockstars as well, but my centers are all rusted, def want to know how you did that!! Your rig looks sweet


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