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Thread: front prop shaft spacers when lifting a d2

  1. #1
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    front prop shaft spacers when lifting a d2

    Hi all,

    Has anyone fitted a spacer on the front prop shaft after they have lifted the disco more than 2 inches? I have seen them on ebay for about $100 but at what point is too much lift that you need to reduce the shaft length so the splines stay mated and dont wear really fast due to the lack of contact point between the male and female splines
    Regards
    Michael.

  2. #2
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    The travel arc of the front suspension follows the propshaft arc reasonably closely - same with the rear. They're not necessary because of this.

    They're normally used for leaf sprung vehicles with a fixed front spring mount (as a cheap fix to getting a long slip shaft) because as the suspension lifts and travels the arc pulls the axle away from the gearbox.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  3. #3
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    Better still is once you've done your lift, measure the distance between the two flanges and provide that to Tom Wood when you order your double cardan shaft. Then they'll make it to suit.

  4. #4
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    I once had a tail shaft spacer on another type of hybrid 4wd. It was not a good thing. Ok for normal driving, but getting serious of road and the torsional twist wwould soon loosen the bolts. No matter how tight they where. In the end I had changed the gear box and at the same time got a tail shaft made to length.
    Cheers Hall

  5. #5
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    I wonder if there was a machining issue with the spacer? I've used a few Tom Woods tailshaft adaptors when he was getting into Rover shafts and had no issues like that.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  6. #6
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    You should be more concerned about the propshaft touching the crossmember. With 2" lift on extreme flex I've heard it rub a couple of times. In process of making a spacer to drop the crossmember down an inch.

  7. #7
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    Quote Originally Posted by Expatdisco3 View Post
    You should be more concerned about the propshaft touching the crossmember. With 2" lift on extreme flex I've heard it rub a couple of times. In process of making a spacer to drop the crossmember down an inch.
    Discovery 2

  8. #8
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    If all you have is a "lift", the suspension travel has not changed and there is no effect on the propshaft.

    It is when you have added longer travel suspension, that you need to address things.

  9. #9
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    Definitely recommend spacers for the front cross member, and whilst you are at it, you may need to look at longer ABS and brake lines.

    No need to add spacers to the drive shaft itself - there's a fair bit of extension in them.
    Last edited by tempestv8; 23rd January 2014 at 07:20 PM. Reason: Added more information

  10. #10
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    Crossmember clearance

    Alternative to spacers for crossmember





    In my option a better way than dropping the whole crossmember less hang up points.

    Pete

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