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| 150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
06-07-2011, 10:46 PM
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head for big bore
looks like i'm going to be building my engine i'm probably going to try to go all out get the 62mm big bore kit, stroker crank, going to put a cam in and upgrade the head but my question is, i see there are performance heads for sale, is there an advantage to these rather then port and polish on the stock head?
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