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Thread: Launching in 4H

  1. #41
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    Quote Originally Posted by fastlt1 View Post
    What if you have a manual transfer case and you do the 2low mod where you put a switch in to disconnect the front axle in 4 low. Then launch in 4 hi and about the 60 ft flip the switch to disconnect the front axle and still leave tcase in 4wd. Would it work or help?
    Haven't heard of doing that yet. Leaving the TC in 4WD means it will will still be spinning, creating a little bit of power loss through the driveline...

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  2. #42
    Join Date
    Mar 2009
    Location
    Oolitic In
    Posts
    162
    I launch in 4hi and hit 115.... The week part in these trucks for the front is the tie rods easy to bend... They make sleeves for them or u can buy after market tie rods that are like a 1/2in thick I think.. Then they have some with hime (sorry about spelling) joints ends not the ball joints... If u go watch the 09 camaro vs 05 silverado thred that's me doing my 4hi and u can see that the wheels toe in on that launch ill be getting the after market tie rods cause their either going to bend or snap if I keep launchn it like that hope that helps

  3. #43
    Join Date
    Sep 2007
    Location
    H-Town
    Posts
    212
    Maze, ever looked into the Cognito steering braces? Those along with some stout sleeves and some QA1 double adjustables made a world of difference on the front end for me. Also kept me from throwing my alignment out every trip to the track. I would guees you are high 11s with the 115 trap speeds?
    Last edited by Sizzle Chest; 11-05-2009 at 08:12 PM.
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    2006 2500HD, RCLB, 4X4
    6.0, 4L80e, 14 bolt

  4. #44
    Join Date
    Mar 2009
    Location
    Oolitic In
    Posts
    162
    o i have no idea never been to track was just out playn around and we had a long stright and just kept going.... thought he was wondering how fast is 2 fast for 4hi so i just threw in the week parts of the front end for him if he wants to launch in 4hi... the cognito makes the tie rods also dont they?

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