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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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| 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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05-02-2008, 05:40 PM
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#12 |
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Rotary Fanatic
Join Date: Feb 2008
Location: Slidell, LA
Posts: 191
Rep Power: 18  |
I actually did two housing mods. The first was to enlarge the passages in the hottest areas next to the sparkplugs as shown in Yamamoto's housing temp diagram.
But use caution! I cut through on the lower side of the Trailing plug. A bad combination of new carbide burs and being too large. 1/4" long shaft would probably be best. 
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