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tt and na heads.

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Are they different? I know the cams will be, but are the heads themselves?

 

Been researching cams for my na, and it occurred to me I could rebuild my tt engines head

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    TT heads have larger porting .. and valves are made stronger

     

    you can use tt heads on an NA engine

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    n/a heads have slightly different flow pattern and i believe do flow better than tt heads if they are built to same specs ie bigger valves port work etc but on a n/a thats not trying to make loads of power either will be fine

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