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will this engine work without detonation?

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    will this engine work without detonation?

    hello, i'm building and swapping engine for my e30, i have m50 block and m50b20nv head, boring block to 86mm with 86mm pistons
    i have question, will it detonate with 98RON fuel?

    as you see i calculated CR, its about 10.6:1 is it OK? will m50b20nv head work good with 86mm pistons? or it will explode? :pimp:
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