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| 2007.5 + (GMT 900) Non Powertrain--New Body Style-- Discussion 07.5 + Topics Not related to the Powertrain, interior, suspensions, body, wheels, tires, ect. |
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08-20-2007, 11:10 PM
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eBay Motors
#1 (permalink)
| | Junior Member
Join Date: Aug 2007 Location: Monroe, WA
Posts: 5
| 18's on non lifted 07.5 2500
Looking for any input on what size tire /wheel combo will work on the 07.5 2500 to fill the big ol wheel well.
Considered Nitto 285/65/R18 on MKW M25 8 lug 18x8.5 with 10 offset. Could I go Bigger than 32.5 with out hacking or lifting? | 
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08-21-2007, 05:06 AM
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eBay Motors
#2 (permalink)
| | Duramax Forum Moderator
Join Date: Feb 2007 Location: Barnesville OH
Posts: 3,449
| the biggest you will be able to fit on a stock truck will be a 32" tire but with a leveling kit you can fit up to 33's if the offset isn't to high.if you go with the 18's you might as well go a tad bit bigger and have some 20's.
__________________ James 
05 LLY Chevy LS E/C L/B DRW my older brothers truck now
2006 LBZ GMC SLE C/C S/B,sold the truck to my dad for a business truck
My Truck now,1987 Chevy 2500 350 tweaked,6" SuperLift,350 V8 bored 60 over,Elderbrock headers Cam and Titanium Rockers,750 Twin Pumped Holley Carb and some other goodies.crank dynos over 400HP. | |
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08-21-2007, 07:24 AM
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eBay Motors
#3 (permalink)
| | Junior Member
Join Date: Aug 2007 Location: Monroe, WA
Posts: 5
| How much offset can I go with the 285/65/18? | |
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08-21-2007, 07:50 AM
|
eBay Motors
#4 (permalink)
| | Duramax Forum Moderator
Join Date: Feb 2007 Location: Barnesville OH
Posts: 3,449
| a +10 to a +25 will work with out a problem but to make a 32.7" tire fit you wil have to turn the T/Bars up a little and with a +20 to +25 offset on the wheel you will probalily need a regular leveling kit to make it work..hope this helps and makes sense.
__________________ James
05 LLY Chevy LS E/C L/B DRW my older brothers truck now
2006 LBZ GMC SLE C/C S/B,sold the truck to my dad for a business truck
My Truck now,1987 Chevy 2500 350 tweaked,6" SuperLift,350 V8 bored 60 over,Elderbrock headers Cam and Titanium Rockers,750 Twin Pumped Holley Carb and some other goodies.crank dynos over 400HP. | |
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08-21-2007, 02:03 PM
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eBay Motors
#5 (permalink)
| | Junior Member
Join Date: Aug 2007 Location: Monroe, WA
Posts: 5
| That helps. This is the first Chevy truck that I have owned  and don't know much about the torsion bars. What does it take to adjust them? Is it just crank them tighter or is there more to it? | |
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08-21-2007, 07:27 PM
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eBay Motors
#6 (permalink)
| | Gear Jammer...
Join Date: May 2006 Location: Mt. Pleasant PA
Posts: 1,917
| Jack the front end up so there is no weight on the front tires and turn each adjustment bolt equal turns, tighter to raise the truck and looser to lower. 18mm socket to do the job!!!
__________________ 05 Chevy 2500HD dark blue reg cab ZF-6 speed/W South Bend Clutch ,Power by EFI Live W/Dsp2 , PPE GT4094R, ATS CP3x2, Modified Volant intake, MBRP front pipe, 4" side pipe, Holley Blue lift pump, Isspro gauges,Cognito Braces, SD Centerlink, Caltracs, ATS Tie Rod Sleeves Best ET 12.53@ 109 mph 04.5 Chevy 2500HD, silverbirch, D/A, CC/SB , EFI live, SCIV w/ATS 5Star converter,McRat shim mod, Wicked Diesels modded FPR, Kennedy dual lift pump, Modified Volant intake, Cognito Braces,CUD tie rod Sleeves, EGR BLocker,Diamond eye Down pipe, 4" dual exhaust, Elocker, MA Tcase Fix, B&W GN Hitch Best ET 13.53 @ 101mph | |
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08-23-2007, 04:56 PM
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eBay Motors
#7 (permalink)
| | Junior Member
Join Date: Aug 2007 Location: Monroe, WA
Posts: 5
| Thanks I see what you are talking about. Should be an easy adjustment. | |
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09-08-2007, 10:05 AM
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eBay Motors
#8 (permalink)
| | Junior Member
Join Date: Aug 2007 Location: Monroe, WA
Posts: 5
| Well I put on a set of 285/65 R18 E Nitto Terra Grapplers on Chrome Predator Rims with +25 offeset. Had to crank up the T bars so they wouldn't rub on inner driverside fenderwell. The ride is a little stiff that way. Talked to the manager at Discount Tire and he is getting me the 285/60 R18 E. It will give me an xtra 1/2" of room so I can take some pressure off the T bars for a better ride. | |
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10-01-2007, 06:11 PM
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eBay Motors
#9 (permalink)
| | Member
Join Date: Oct 2007
Posts: 35
| Don't want a stiffer ride and I prefer the nose down look anyway like a street rod - level when towing that way too. Don't want to be arse end down when loaded. My 18's work fine - slight rub when cranked all the way backiing up. 
__________________
'07 GMC Sierra 2500 4x4 SLE 1. LMM, CC, 6' Box.
LT275/65R-18 Toyo Open Country H/T on Venti V98 18x9 +25mm offset. 50psi front, 40psi rear unloaded.
A.R.E. Canopy, Willmore Stainless Steel Tube Steps, Bed Coating, Bed Mat, Rear Wheel Wells Undercoating, GM Mud Flaps, Stanadyne, B5 BioDiesel, Fumoco Valve, Baldwin Filters.
21 MPG freeway with 4,000+ miles…. 18 MPG freeway when new... up 1 MPG with Stanadyne... up 1 MPG with the cab-high canopy... up 1 MPG after hitting 4,000 miles…..
Last edited by MR SHORTY : 10-01-2007 at 06:14 PM.
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