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Thread: Different profile cams on N/A Cossie?

  1. #1
    Spanner Monkey

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    Different profile cams on N/A Cossie?

    Just thinking out load really and seems strange its not common to run different cam profiles on Inlet Exhauxt.

    Probably a reason why not but surely its another way of getting an engine spot-on?

  2. #2
    Racer Decade Plus User

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    Re: Different profile cams on N/A Cossie?

    Usual you can live with little less duration (and lift) on the exhaust side.

    Funny thing is, in early day's it was sometimes opposite. Not sure it is correct but theory was the standard exhaust system was not flowing very well and trying to compensate for this restriction. I've never tested bak to back.

    I did tested the combination of same exhaust profile and slightly less duration on exhaust in the past and this was best combination.

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