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  1. #1

    Default Hello new here and got my first truck

    Well I just turned 16 and my oldmans giving me his 2004 Silverado 4wd 2500HD crew cab. Its got a 6.0 with flowmasters and some 34's I think. But I want to put a lift and 38's So I was wondering how much lift it would be and I will do body but not more that 3 inches.
    Attached Thumbnails Attached Thumbnails hunter chevy 001.jpg   hunter chevy 002.jpg  
    Last edited by Ihwood; 08-06-2012 at 01:03 AM.

  2. #2

    Default

    We are the Borg. Lift your vehicle and surrender your keys. We will add your biological and technological distinctiveness to our own. Resistance is futile. Erm, I mean ... welcome to GM Truck Club!

    6" Lift + 3" Body lift and you can put some 37's under there. Don't forget that as you upsize your tires you also need to move to shorter gears and you have to do both diffs since you're in a 4x4.

  3. #3
    Master Mechanic
    AMac's Avatar
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    Default

    well that is certainly a nice birthday gift! Congrats and welcome to the club.




  4. #4

    Default

    Welcome to GMTC!

    2009 Chevrolet Silverado 1500 LT Z71 Crew Cab "All-Star Edition"

    Line-X'd Bed
    Line-X'd Custom Brush Guard(Heavy Duty)
    5.3L Flex Fuel
    Factory Black Running Boards
    BF Goodrich All-Terrain KO's(265/65R18)
    2" Rough Country Leveling Kit
    EGR In-Channel Vent Visors
    Exterior PLUS Package
    Interior PLUS Package
    K&N Drop-In Air Filter
    Bowtie Mud Flaps
    Cat-Back Dual Exhaust
    Black Bowties
    DeeZee Toolbox(Debadged)
    Diablo Sport Predator(AFM Disabled)
    ProFlaps
    Towing Mirrors
    Next Planned Mods
    Bigger Tires
    Aftermarket Rims

  5. #5

    Default

    So I am looking at the 9 inch CST lift. If I do that and a 2inch body I should be able to get 38's under it. what do you think.

  6. #6

    Default

    Reasonable as long as you regear to go with those 38's. What ratio are you running, now?

  7. #7

    Default

    Quote Originally Posted by SurrealOne View Post
    Reasonable as long as you regear to go with those 38's. What ratio are you running, now?
    I have 4:10's in it right now what would you suggest.

  8. #8

    Default

    Click image for larger version. 

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    Yellow = Best MPG
    Orange = Best Overall
    Red = Best Power

    Note: This chart assumes a 4speed tranny (which you have) and the RPM's are for 65mph without overdrive in use. You can also use the comparable numbers on the chart from your factory tire size and gear ratio ... and compare to your projected one to get an idea of a) how much of a dog your truck will be if you don't regear and b) to get a rough idea of how different your mpg is going to be at highway speeds.

    The chart suggests 5.13's (or close to it) as the best for 38's. 4.88's are what you tend to see on trucks with 37's, so while I'm unfamiliar with 5.13's ... it seems sane enough.

    Surreal

    P.S. In addition to the extra money fuel is going to cost you I hope you've priced 38" tires -- they're spendy. Good luck in your endeavor.

  9. #9

    Default

    Nice truck! About the best gift a 16 year old could get for their birthday. Be sure to treat her well! And let us know what you decide to do with the lift. Welcome to the club.
    09 Sierra SLT
    - Denali grille, black HALO headlights, smoked tails & brake light, 20% tint, Carbon fiber interior
    - Top Gun Customz 2.5" leveling kit, 305/55/20 Toyo Open Country AT's on GMC 20's
    - K&N 77 series cold air intake, Flowmaster super 10 series exhaust
    Next up: Smoked fog lights


    2000 Silverado Z71
    - 4" body lift, 315/65/16 Mastercraft Courser AT2 tires
    - Stainless steel Excalibur catback exhaust
    - Lots more to come!

  10. #10

    Default

    It looks like you'll be able to clear 38s with that kit without the need of a body lift. It'll keep all the frame from stickin out too. And like surreal said you probably want to re gear, I'd also get some better brakes, I was 16 with a truck that big not to long ago, pay extra attention you don't stop like everybody else. Nice truck and good luck
    2009 chevy 1500 z71 4x4
    2.5 ccm level,2.5 inch rear blocks 305/60/18 coopers stt,Debadged,10 series flow w/dual exit in front or right rear tire, KN CAI, diablo InTune, 18% tint all the way around ,spec-d euro headlights with black housings,winjet smoke LED tail lights,putco LED third brake light smoked, fab fours front bumper with 10k warn winch, RK sports ram air hood
    1965 c10 swb, zz4 350 with the hot cam and fast burn heads and a 780 Holley on top, richmond super street 5 speed,restorod

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