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  1. 06-13-2007, 04:27 PM #1
    uzi
    uzi is offline
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    Machined head.....

    I want to install machined head (150 PSI,done by protec) on my gpr1200, and my question is - how many layers of head gastket to use 1, 2 or all 3. Any other ideas, any help appreciated, Thanks
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  2. 06-13-2007, 05:09 PM #2
    Smitty
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    2 or 3.... with a machined head, I think you should stick with the full gasket for a measure of safety. I'd stick with the full 3 layers.
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  3. 06-13-2007, 10:50 PM #3
    OsideBill
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    I used my OEM head gasket as is with my protec machined head it checked 147 147 150 on a snap on gauge
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