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Thread: Gears: 4.10, 4.56 or 5.13
02-20-2010, 11:41 AM #1
Gears: 4.10, 4.56 or 5.13
I am thinking about upgrading the gears in my 2003 Silverado 2500HD with 35" tires but I am not sure which would be the best set-up, the 4.10, 4.56 or 5.13 set-up. I found a web-site that says the 4.10 ratio is best for gas mileage, the 4.56 ratio is closest to factory, and the 5.13 ratio has the most power. I understand that with the 35" tires, upgrading to anyone of those ratios will be better than keeping the stock 3.73 gears. I'm sure there are many others on here that have been in my shoes, so I'm trying to find out which is the best route to take. And not to sound like a complete idiot, but how many gears would I have to get? The reason I ask is because I found DANA 5.13 ring and pinion gears for $134 and both DANA 4.10 ring and pinion gears and DANA 4.56 ring pinion gears for $129 but the image shows just "one".2003 Silverado 2500HD 6.0L Vortec V8
2" Body Lift
3" Suspension Lift
Skyjacker Hydro 7000 Shocks
Skyjacker Steering Stabilizer
35" Tires with 20" American Racing Rims
Velocity Cold Air Intake
Billet Throttle Body Spacer
BBK Performance Headers
MBRP Cat-Back Exhaust System
DiabloSport Predator- Soon to be tuned by Diablew
"Soon to be leveling-kit"
02-20-2010, 11:46 AM #2
- Join Date
- Jan 2007
- Yacolt, Washington
- Blog Entries
from the research i have done in the past, 4:56's are the most common choice for running 35'sDarcy
2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.
03-01-2010, 04:36 AM #32011 Chevy Silverado 3500HD, Dmax/Allison, Taupe Gray Metallic, Line-x over the Rail & Rockers, S&B Intake, Banks Monster Exhaust, Rigid Dually D2's, Cognito Leveling Kit, Cognito Steering Braces plus much more.
"Suburban" There is no Substitute.:great:
SOLD - My Loaded up 02 2500 Suburban.
03-01-2010, 08:39 AM #4
Bobby - North Carolina
2008 4x4 5.3L V8
6" Suspension Lift and 1.5" Body Lift
20x9 Ballistic Jesters w/35" Toyo Open Country MT's & 1.5" rear wheel spacers
4:56 Yukon Gears
Hypertech Speedometer Calibrator
Baja style bed mount spare tire carrier
Flowmaster 40 series dual exhaust
Recon Smoked LED tails/3rd brake lights/black projectors w/switchback LED's in the corners
N-Fab Nerf Steps
No Fear Pedals
Tint, Line-X bedliner, Window visors, Rear wheel well liners
Painted front grill, bow ties and door badges, de-"lettered" tailgate
Powder coated front and rear bumpers
03-07-2010, 11:11 AM #5
Thanks. Any suggestions on brands and pricing to complete the full swap to 4.56 gears? I'm guessing the installation/labor is the pricey part if I am unable to do it myself?
03-07-2010, 03:23 PM #6
03-07-2010, 05:05 PM #7
I recommend Tru Trac...I got Yukon gears and have not had a problem.
03-07-2010, 06:29 PM #8
- Join Date
- Jan 2010
03-07-2010, 08:28 PM #9
03-08-2010, 05:58 AM #10
Can any "dummy" do this job at home if they have the right tools or how-to directions or is it easier to take your truck to a garage that can lift it up and do the work from underneath? I read another thread on this site and the guy said he paid close to $1600 for the full installation and I'm not too fond of that price considering I have high hopes for my truck in the future; power programmer, leveling kit, 6-CD radio, ram-air/cowl induction hood, would love a supercharger .
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