Quote:
Originally Posted by phoenix7
^^very good point BUT Mazda improved on the old rotary designs to minimize this damage in the newer (80's+) rotaries. It IS still possible though.
How would you "port" the housing to improve on the hot spots? I am not able to visualize the modification.
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Quote:
Originally Posted by jgrewe
Basically you make grooves in the water jacket area around the spark plugs to increase surface area for water to get to.
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Most people do the Racing Beat fin mod around the sparkplug area. This is a big help. It adds surface area and flow turbulence.
