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Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc... |
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#21 |
Wankel Works
Join Date: May 2011
Location: Boston, MA
Posts: 35
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hey jeff ive done free handed half bridge ports on 13b's and i have to say i kept the primary ports factory and just cleaned them up. and the increase is very notice able in power and i was happy with the out come
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