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Rockwell's and daily driving?

Discussion in 'The Garage' started by Shagnaz, Sep 12, 2003.

  1. Shagnaz

    Shagnaz 1/2 ton status

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    Rockwell\'s and daily driving?

    I was thinking about trading my 1 ton set up for a front and rear steering Rockwell set up. It is set up for Chevy K5 and the rear has been centered for the drive shaft.

    Just pondering the idea. Let me know /forums/images/graemlins/thinking.gif

    Thanks
    Mike B
     
  2. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    Re: Rockwell\'s and daily driving?

    Needs a lot of lift-top loader axle. Need big tires-6.72:1 gears. DD-I'd pass.
     
  3. OL14BLAZ

    OL14BLAZ 1/2 ton status

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    Re: Rockwell\'s and daily driving?

    What size tire you wanting to run?? Only gear ratio is 6.72, your 38s wouldn't be going very fast with that gear ratio. Rockwell's produce axle wrap more than your current axles, therefore you would need some anit-wrap bars or go to a 3 or 4 link setup. IMO they wouldn't be very good for a DD.


    Eric
     
  4. jekbrown

    jekbrown I am CK5 Premium Member GMOTM Winner Author

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    Re: Rockwell\'s and daily driving?

    u could use one of the "reverse" doublers they sell on pirate. they mount the 203 part backwards which gives you a .5 overdrive... which would negate the rockwells mad-low ratio...

    j
     
  5. Shagnaz

    Shagnaz 1/2 ton status

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    Re: Rockwell\'s and daily driving?

    I'd be going up to 39.5 or bigger. I know the 38's aren't a option...If I could, they would have been changed out awhile ago, but anyways.
    Like I said...just pondering. I think I could make it work. I have OD and I know I wouldn't be going anywhere real fast with the gears it has, but I thought it would be cool to see if I could make a setup work as a DD.

    Any pics out there with Rockwells under a K5?

    Thanks
    Mike B
     
  6. tch777

    tch777 1/2 ton status

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    Re: Rockwell\'s and daily driving?

    Using a true 40 inch tire and the OD ratio of .70 for a 700R4 you get an RPM of 2568 at 65 MPH, go to a 44 and it is 2334 RPM.

    So if you really want to go faster than 65 as a DD I would suggest the reverse T-case doubler as mentioned or an Auxiliary tranny or overdrive.

    Does your state have a "lift" law to contend with? If so you will SOL or need to fab up some fun lower bumpers and lights. Cause with the tires and suspension you will be way up there in height.

    Good luck

    Tim
     
  7. HarryH3

    HarryH3 1 ton status Author

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    Re: Rockwell\'s and daily driving?

    In addition to the above, you'll need a serious motor to pull it all around. The steering axles weigh a LOT! A friend of mine sent me a link for a Land Cruiser a while back that was running Rockwells (only the front was a steering axle) and 52-inch Michelins. Just the axles, wheels, and tires weighed 3,500 lbs! /forums/images/graemlins/eek.gif
     
  8. sled_dog

    sled_dog 1 ton status

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    Re: Rockwell\'s and daily driving?

    unf lightweight stuff... ha. And I thought it sucked when I just moved the Dana 44 and 14 bolt into the garage, HA
     
  9. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    Re: Rockwell\'s and daily driving?

    If you are only going to run a 40" tire I'd just get the 35 spline outers for your 60 and call it a day. When you brought this up I thought you would be going w/ a min of a 44. As always your truck, your $$$, but the extra lift needed to run them is going to make the 40 look small.
     
  10. Blazer79

    Blazer79 1/2 ton status

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    Re: Rockwell\'s and daily driving?

    Can somebody tell me why people go Rockwells? What can they do (besides rear steering) that a D60/14bolt cant?
     
  11. SkulzNBonz

    SkulzNBonz 1/2 ton status

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    Re: Rockwell\'s and daily driving?

    Rockies are HUGE. 2 1/2 ton rated, but will handle more. They can take abuse that would break a set of one tons like a twig. Definately not a DD axle, unless of course your in the Army.

    John
     
  12. DBLAZER

    DBLAZER 1/2 ton status

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    Re: Rockwell\'s and daily driving?

    [ QUOTE ]
    Rockies are HUGE. 2 1/2 ton rated, but will handle more. They can take abuse that would break a set of one tons like a twig. Definately not a DD axle, unless of course your in the Army.
    John

    [/ QUOTE ]

    That is right, plus yo get noce grund clearence when running the right BIG tire. In retrospct I wish I would have done rockwells instead of the 1 tons. but the again, I am nutty.
     
  13. CHEVY 4WD

    CHEVY 4WD 1/2 ton status

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    Re: Rockwell\'s and daily driving?

    I really do like the 700R4(and run one) but I just dont see putting a 700R4 to a 2½ton axle it just wouldent seem right... btw I would deffentally go with atleast a 42 if not a 44 or even bigger... those gears are LOW, you should get quite a bit of lift just from the axles themself, and also are you planning on using a rockwell rear end out back or going with rear steer?
     

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