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Thread: Random Tech Questions

  1. #2656
    Chief
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    Can I prime/ paint it after? How expensive is this stuff?
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  2. #2657
    Big Baller 85cj7's Avatar
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    When building a drive shaft what is a good percentage for compression and extension of the splines? Say you have 6" of total spline engagement in the shaft. At ride I would think you would want a min. of 50% engagement (in this case 3"). A previous shaft I built had 75% full engagement at ride height but that seems like a lot. I guess this question has a lot to do with your related suspension travel.
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  3. #2658
    Respek TdmayfieldIV's Avatar
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    The movement of the pinion is going to take or give an identical amount of spline portion when cyling from full compression to full droop. If you leave it at 50% then at full droop you will have very little spline engagement. Check how much it moves under full compression and only make it so that at full compression it is fully engaged, then you leave yourself as much spline engagement as possible at full droop.

    I've been dealing with this for the past week and that's what I ended up doing. Clear as Mud?
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  4. #2659
    Like my rock crawler? KrazyKarl02's Avatar
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    Quote Originally Posted by 85cj7 View Post
    When building a drive shaft what is a good percentage for compression and extension of the splines? Say you have 6" of total spline engagement in the shaft. At ride I would think you would want a min. of 50% engagement (in this case 3"). A previous shaft I built had 75% full engagement at ride height but that seems like a lot. I guess this question has a lot to do with your related suspension travel.
    I don't know that this is right or wrong, I take the distance yoke to yoke of the truck (say 36"), then I take the slip of the driveshaft (say 6"), subtract 1" from the slip (so now 5"), divide that in 2 (2.5"), then I make the shaft compressed length the yoke length minus the previous number (36" - 2.5" for a compressed shaft length of 33.5"). There is no magic to that, just what I do.
    -Karl
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  5. #2660
    Big Baller 85cj7's Avatar
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    Quote Originally Posted by KrazyKarl02 View Post
    I don't know that this is right or wrong, I take the distance yoke to yoke of the truck (say 36"), then I take the slip of the driveshaft (say 6"), subtract 1" from the slip (so now 5"), divide that in 2 (2.5"), then I make the shaft compressed length the yoke length minus the previous number (36" - 2.5" for a compressed shaft length of 33.5"). There is no magic to that, just what I do.
    So at ride height you would have the shaft compressed approximately 60%? This is more in the ball park of what I was thinking. Just take the total length of spline (6") then multiply by .60 = 3.6" and at ride height there should be 2.4" of exposed splines. So 40% for compression and 60% for extension.
    Quote Originally Posted by jerryg79 View Post
    i dont speak australian.
    Quote Originally Posted by jerryg79 View Post
    seacrest, you are my hero!

  6. #2661
    Come and Take it BroncoJo's Avatar
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    I always try to have as much spline engagement as possible, so i"ll build the D-shaft to be almost fully compressed under full compression of the suspension. I do this for two main reason: 1) it's easy to shorten drive-shafts 2) full compression should be a constant and is easy to plan for.

    For leaf springs I allow a little more room because of axle rap and you don't want the drive shaft getting into the transfer case.
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  7. #2662
    Respek TdmayfieldIV's Avatar
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    That's what I said.
    Quote Originally Posted by Sharpe View Post
    F*ck off cj.

  8. #2663
    Respek TdmayfieldIV's Avatar
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    I talked to jay at bvd today and he said that they do what Karl said to measure spline engagement.
    Quote Originally Posted by Sharpe View Post
    F*ck off cj.

  9. #2664
    Like my rock crawler? KrazyKarl02's Avatar
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    Quote Originally Posted by TdmayfieldIV View Post
    I talked to jay at bvd today and he said that they do what Karl said to measure spline engagement.
    See I am just like a pro, only I do ****tier work!
    -Karl
    2006 Chevy K3500 4X4 - No J.B. Weld on it yet!
    1982 thru 94 F-Series "The Klogger" AKA Transport on the road, on the trail, or on the trailer!
    1965 Chevelle
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  10. #2665
    Big Baller 85cj7's Avatar
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    I did 65% compressed at ride height. So about 4" compressed out of 6" total. I will let you know if there are any problems in the future.
    Quote Originally Posted by jerryg79 View Post
    i dont speak australian.
    Quote Originally Posted by jerryg79 View Post
    seacrest, you are my hero!

  11. #2666
    Noah Deluxe's Avatar
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    any shops in cs that carry cb radio stuff besides just radioshack? I need an antenna and mount, left mine at home

  12. #2667
    Rawr TexTJ209's Avatar
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    The bigger truck stops carry CB stuff sometimes.
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  13. #2668
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    walmart might have some of the stuff

  14. #2669
    Registered User tommy53002's Avatar
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    Quote Originally Posted by Deluxe View Post
    any shops in cs that carry cb radio stuff besides just radioshack? I need an antenna and mount, left mine at home
    Performance trucks on 21 (mack dealer) carries cb stuff

  15. #2670
    sam_hodnett's Avatar
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    I think freightliner on hwy 6 carries stuff too
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