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  1. #1

    Has anyone used RIVA for head milling?

    Going to get my 1300R head milled soon. Seems like most everyone here uses Jim or Lowell. How much can I mill down and stay with premium fuel?


  2. #2
    Mike xsockguyx's Avatar
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    Call Jim or Lowell. Most people mill to 150 compression.

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    zx11rider's Avatar
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    Quote Originally Posted by onefastmx5 View Post
    Going to get my 1300R head milled soon. Seems like most everyone here uses Jim or Lowell. How much can I mill down and stay with premium fuel?
    I would call Jim he helped answer all of my questions during my ski build and i called and asked a lot of question as I was learning, he knows what to do instead of talking to Riva most of the people answering the phone at Riva will only try to push riva products on you and they are not the person who will be milling the head. Ron

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    Happily Self-Employed WFO's Avatar
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    Quote Originally Posted by onefastmx5 View Post
    Going to get my 1300R head milled soon. Seems like most everyone here uses Jim or Lowell. How much can I mill down and stay with premium fuel?
    yes Jim, Lowell, or even Group K

    depending on pv or non-pv for "safe" compression

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