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  1. #16
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    omah,ne
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    I had just put the heads on recently and did not recheck tourque after running it. I ordered head stud kit for my 260 that I am assembling now.

  2. #17
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    Loose head bolts at top cylinder. Just put heads on recently. I did not recheck after run time. Lesson learned.

  3. #18
    Join Date
    Mar 2008
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    Wentzville.MO 40 "miles west of St Louis"
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    Quote Originally Posted by Stoker boy View Post
    Correct! You can’t deck the block too many times. Watch that squish. Sometimes you have to recess the heads.
    When is "too little squish"? On a cold mota?

  4. #19
    Join Date
    Jan 2004
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    Los Angeles Cal.
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    Quote Originally Posted by roadkill636 View Post
    When is "too little squish"? On a cold mota?
    I hear 35th to 40th is the accepted normal. Iím running tighter than that and have no kissing. Iíve run over 10,000 RPM a couple of times. I checked the squish with standard heads. If the squish is too tight you can take a standard head and cut a slight recess so there is no kissing. The head on the left is a standard 21cc O ring head. Notice the recess. The one on the right is a standard cut head which I will cut a slight recess, Iím pushing my luck running it so tight.
    Attached Thumbnails Attached Thumbnails 2A2C8B69-4116-452F-B605-DBB9AFC0D483.png  

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  6. #20
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    Nov 2011
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    Houston, TX
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    Quote Originally Posted by stoker boy View Post
    i’ve run over 10,000 rpm a couple times ht.
    wtf???!!!
    1990 Shadow bass boat w/ 2.4 200 Merc. Totally resto'd boat and love it!

  7. #21
    Join Date
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    Quote Originally Posted by rgsauger View Post
    wtf???!!!
    It happens.

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