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Stephens t-case ques.

Discussion in 'OffRoad Design' started by sapper, Oct 4, 2001.

  1. sapper

    sapper 1/2 ton status GMOTM Winner

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    Stephen i'v been looking at the pics in four wheeler and your web site and want to know what you did to your t-case to get it up and be able to put that plate across the middle of the truck. Thanks

    <a target="_blank" href=http://coloradoK5.com/gallery/Pauls89K5>http://coloradoK5.com/gallery/Pauls89K5</a>
     
  2. michaelm

    michaelm 1/2 ton status

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    i belive he made a custom doubler that 'clocked' his 205 higher than stock. check the ORD website for info on it <a target="_blank" href=http://www.offroaddesign.com/catalog/CustomDoubler.htm>HERE</a>
    if my link doesnt work you have to go to the catalogue then select doubler then in the body of the article there is a link to 'custom and hybrid'
     
  3. Stephen

    Stephen 1/2 ton status Moderator Vendor

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    That's kind of our secret weapon! There's a pic of the t-cases on the site under "custom rotations" in the Doubler section that can illustrate what we did. Basically the GM 203 was rotated 90 degrees up toward the passenger seat, then a ford 205 was mounted behind it rotated up into the driver's seat until it was flat. You can see by the small dimple in the skidplate that I missed making it completely flat by just a little bit. This is really an easy drivetrain to put together since the TH700 is a square bolt pattern and allows the 203 to be twisted really easily. The big problem is mounting the whole thing in the vehicle. We had to build a big hump in the tunnel for the cases to sit in, basically both boxes ended up about 4-5" above the floor! Then the crossmember was a challenge since no part of it could hang below the frame rails or the t-cases.
    But, I have HUGE center clearance. I've only hit the skid plate once and that was dropping off an enormous ledge. Really I should lower the suspension and take advantage of the lower CG, but I like the clearance at the rockers, and the approach and departure angle that I have now.


    Making the world better, one truck at a time.
    SW-ORD
    &lt;a target="_blank" href=http://www.offroaddesign.com&gt;www.offroaddesign.com&lt;/a&gt;<P ID="edit"><FONT class="small">Edited by Stephen on 10/05/01 04:16 PM.</FONT></P>
     
  4. sapper

    sapper 1/2 ton status GMOTM Winner

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    if i wanted to run just a 205 is it possible to clock it up? what did you have to do for the drive shaft angles? thanks

    <a target="_blank" href=http://coloradoK5.com/gallery/Pauls89K5>http://coloradoK5.com/gallery/Pauls89K5</a>
     
  5. Stephen

    Stephen 1/2 ton status Moderator Vendor

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    There are ways to clock a regular 205, but nothing I recommend very highly since they lose some spline contact length usually. There might be some ways to mix and match components and make it work, but nothing comes to mind immediately.
    In my case, I'm running the high pinion teraflex housing, my suspension linkage geometry is set up to keep the driveline angles as gentle as possible and we still needed a 34 degree driveshaft. We were able to clearance grind a tom wood 30 degree shaft to reach 36 degrees so we have a little margin for error. and my limit straps are about an inch short to allow for stretch so they hold it up just a little. another thing that helped a lot is the fact that the ford 205 has a front output closer to the bottom of the case than the GM 205. so we didn't have to rotate it as far to get it above the flat skidplate.

    In a standard GM truck with a single 205, I don't recommend rotating the 205, unless you're prepared to mess with the angles a lot. You generally can't get a stock driveshaft to work in a truck with a TH350 or SM 465 with the 205 and 6" of lift. With a TH700 or 400 you have a little more room, but just enough to make it work, no more. With a 30-36 degree driveshaft, you would probably be OK with a little rotation.

    Making the world better, one truck at a time.
    SW-ORD
    <a target="_blank" href=http://www.offroaddesign.com>www.offroaddesign.com</a>
     

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