GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

Readylift 4", 275/60/20 with ONLY 5" BS

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Old 09-14-2010 | 02:51 PM
  #11  
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this is the 3" lift kit we run with the 275/60r 20 but we're gonna be switching to a 305/65r17 here in the nxt few months..
http://shop.suspensionmax.com/Shop/C...ds_per_page/96

I'll try an get you some pics ASAP
Old 09-14-2010 | 03:35 PM
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Originally Posted by beastmode
Please stay away from the Rough Country 3".. I know it says on their site they redesigned it but from what I have read ppl are still having problems with suspension parts rubbing or not getting a proper alignment.

I would recommend the Top Gun Customz 2.5" kit to ya, that is what I have on my truck for 5k miles and I love it... you can hardly tell the difference in ride quality and I cleared my 295/55/20s pretty easily... it did rub a tad at first when I backed in my driveway but I trimmed a tiny little piece off the inner fenders (I will get you a pic of it when I get home) and after that didn't have any problems. These tires I am running measure out just under a 33x12.5.

here is a pic of my CV angles just for reference, this is pre-alignment



and my fender measurements are 40" all the way around so it pretty much put me exactly level. this is my kit

http://www.topguncustomz.com/Store/G...view=238695097
I wonder if I jacked anything up when I installed mine? After reading about the kit you have it makes me wonder. I bought a top mount no name brand kit from eBay and I turned the coilovers 180. I did not swap sides but in order to mount it you had to turn it backwards. I have had the truck aligned with no problems and nothing is hitting on anything so maybe it's alright. Maybe I should have looked at this kit before buying the one I have.
Old 09-14-2010 | 03:48 PM
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well I believe you have the same kit pewterliftedz posted right? I would imagine as long as you followed the instructions you will be ok.

My kit is actually a .5" spacer on top and 2" spacer on bottom... not the actual thickness of the spacers tho
Old 09-14-2010 | 03:53 PM
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Im not sure it's 100% the same it's a top mount 1.5in thick spacer and there were not any instructions with it, just a paper saying the spacer is not 1 to 1 on the lift but that it is doubled due to the lower a arm angle. I was going to add I have about 1500 miles on the lift and have been on some very rough dirt roads on my job site so maybe it's ok. As long as it last until early next year I'll be happy
Old 09-15-2010 | 05:25 PM
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Wheels came today, Over night shipping 69.99$, kinda cool.



Thinking of brands for leveling, and how much to level. 1.5"? 2.0"? 2.25"? 2.5"?
Looks like Motive 4.56 gears and install kit, this is where is scares me, i can do motors, but axles? idk...
Old 09-15-2010 | 09:28 PM
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Just saw my mother is in the reflection... Im in college and could not wait to see the wheels. lol
Old 09-16-2010 | 08:43 AM
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Why 4.56s??!! Do you have the 6spd tranny? Thats too much gear for the tires you are talking about running bud, even if you have a 4spd. I got the 4spd trans in my truck with damn near a 33" tire and heavy 20s on stock 3.73s with PLENTY of power to keep em rollin. I wouldn't even touch the gears unless you plan on running a 35"+

I am pumped to see those wheels man, they look sick in 20s.

two of my fav trucks




Old 09-16-2010 | 09:04 AM
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That white truck is what turned me on to them!
4.56s because i figured i would have similar mph vs. rpm as my TBSS had. 2400rpm at 74mph. My truck has the 4.8 with 3.23s... :[

EDIT: Currently with 265/70/17 and 3.23 at 74 i am right at 2,000rpm maybe a little less and it always cranks down to third and sometimes second to make it up hills. When it was on the dyno with 1000 mile on it i was doing a damn near 90 in second...

EDIT #2: Tires were ordered this morning Cooper Zeon LTZ 275/60/20.

Last edited by Gordon0652; 09-16-2010 at 09:11 AM.
Old 09-16-2010 | 10:07 AM
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Ahh, ya I could see that being a poopy combo in a crew or ext cab... I hate those 3.23s.

Thats the exact tire/size I was going to order originally but I wanted something more aggressive... but I have yet to read complaints about the Zeon LTZs.

Now order your damn leveling kit and I want to see pics
Old 09-16-2010 | 12:52 PM
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Looks nice, I'm trying to find me a set of rims right now



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