Re: Piston Slapping...?

Mark Younggren /
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Threw on the 70cc low comp head today and started first kick, but noticed it seems to lack a little power. Nothing crazy but a little less low and high end. Is this to be expected putting a low comp head on reducing the compression to a "safer" number? Also, will the low comp head throw all my tuning off, jet and needle height?

Maxi

15mm bing clone

70cc Athena

biturbo pipe

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