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Thread: Switching from Steel to Alloy Rims

  1. 21st May 2009, 02:18 PM #1
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    Switching from Steel to Alloy Rims

    Hi, Has anyone switched from steel to alloy rims on a D1 and noticed any improvement in acceleration, particularly 300Tdi?

    The alloys must be half the weight of the steelies, so they should be easier to get turning, shouldn't they?
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  2. 21st May 2009, 02:31 PM #2
    B92 8NW
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    LOL.

    I went from steels to alloys and noticed no change.
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  3. 21st May 2009, 03:09 PM #3
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    No, None....

    The diameter is more important than the weight, you may get a bit better handling due to the slightly wider offset but that's about all.

    They are not much lighter than the steelies.
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  4. 21st May 2009, 04:08 PM #4
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    Quote Originally Posted by Casper View Post
    They are not much lighter than the steelies
    Yes they are!

    I had a steel as the original spare on a past car and it was heaps heavier than the alloys on the car.
    Didn't ever get a chance to weigh them both, but I'm sure the steel rim would weigh close to double an alloy?
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  5. 21st May 2009, 04:44 PM #5
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    my car accelerates exactly the same...no noticeable difference form alloy to steel
    Our Land Rover does not leak oil! it just marks its territory.......



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  6. 21st May 2009, 05:06 PM #6
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    the reduced weight adds more benifits to unsprung weight, rather than out acceration.
    personally never been able to tell the difference between alloys and steels.
    ian
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  7. 21st May 2009, 05:19 PM #7
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    theres 3kg differance between a D1 steel rim and a boost alloy...so 12kg is not enough to make a noticable differance.

    cheers phil
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  8. 21st May 2009, 05:26 PM #8
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    Quote Originally Posted by discowhite View Post
    theres 3kg differance between a D1 steel rim and a boost alloy...so 12kg is not enough to make a noticable differance.

    cheers phil
    Only 3kg! That's not much!

    Do you know how much each one weighs?

    What about the older alloys? Are they any lighter?
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  9. 21st May 2009, 05:34 PM #9
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    Quote Originally Posted by nice1guv View Post
    Only 3kg! That's not much!

    Do you know how much each one weighs?

    What about the older alloys? Are they any lighter?
    that was ages ago!... i still have a boost alloy with out a tyre i can weigh... dont have a steelie though.
    i couldnt see too much differance between the different alloys, maybe 500g at the most.

    either way as ian said the benifits would be for the unsprung weight not the acceleration.

    cheers phil
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  10. 21st May 2009, 05:35 PM #10
    B92 8NW
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    12kgs then. Assuming 300Tdi automatic 0-100 in 19secs. Assuming 1,950 kg. Assuming linear rate of change of speed... (and lots of other assumptions)

    There should be an increase in acceleration of 0.008996307692307692 m/s^2
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