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  1. #1

    ultra 150 head cutting

    Has anyone had their heads milled on a ultra 150? Has anyone had any over heating issues befor i get mine done?
    Last edited by spongebob; 09-13-2011 at 08:38 PM.


  2. #2
    thesepaperwings's Avatar
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    May 2007
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    You can mill them but you really need to reshape teh dome if you do. GroupK had some good results with cutting the stock heads.

    There are no real cooling differences.

  3. #3
    Ty thats what i needed to know!

  4. #4

    Join Date
    Oct 2011
    Location
    australia
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    i tried this and noticed a little gain

  5. #5

    Join Date
    Oct 2011
    Location
    australia
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    i now have bought rd heads

  6. #6
    Which one's did you buy? Is there a big difference between the 36mm and 42mm heads?

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