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02-25-2008, 07:52 PM #1
what would be a good performance part for my silvero 2007 classic to gain more torque i already have an exhaust and k&n air intake
02-25-2008, 08:34 PM #2
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- Jan 2007
- Yacolt, Washington
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Have you thought of a programmer?Darcy
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.
02-25-2008, 10:00 PM #3
yea but for 400 i wanna make sure a programmer is the best thing cause my truck is a v8 5.3 with 22's so the rims slow it down
02-25-2008, 10:15 PM #4
You're probably mostly worried about rear wheel torque. What gear ratio are you running? For that matter, what's the overall diameter of those tires? Sometimes the best mod for increasing torque is the final gear ratio. For example, if you regear from 3.08 to 4.11, you'll get a 33% increase in torque.'98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
'92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
"My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World
02-25-2008, 10:27 PM #5
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- Mar 2007
- Grand Prairie, Texas
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New rear gears would be the best thing. With the added unsprung weight and height of 22's and new tires your facing the same problem 4x4's face when they add larger tires.
02-26-2008, 05:15 PM #6
Depending on what gears you have now that should be your first look. Also long tube headers can increase torque as well.
2007 GMC Sierra CrewCab 4.8L
Tinted Windows, 20" Chrome MB Predators on 275/55/20 Copper AT's, GM Bed Rug, Speed Scene Chrome Grille, Putco Chrome Handles, Hypertech Max Energy Programmer, Magnaflow Muffler and many more mods to come.
Former GM Vehicles:
96 Chevy Camaro. My first car modded for a High School kid.
02-28-2008, 10:10 PM #7
i have no idea what gears i have but how and where can i get them
02-28-2008, 10:35 PM #8
I would first find out what gears you have. If you still have the original gears that came from the factory, you can look on your RPO code list in the glove box and look up the code (look for a Gxx code) in any of the RPO code lists on the internet. If you're not certain if you have the original gears, you'll have to either open the differential and count the teeth on the ring and pinion (gear ratio = # teeth on the ring gear/# teeth on the pinion gear) or count rotations of the driveshaft per rotation of the tires.
You can buy R&P's through many parts stores, or on-line retailers. Put differential ring and pinion into your favorite search engine and you shouldn't have any trouble finding vendors. If you decide to consider this seriously, you might consult with whoever will be doing the installation as to where he/she gets them. I'm guessing from your question that you've never worked much inside a diff, and setting up gears is not a job for a novice or the faint of heart.
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