Lynn,
Does the Renesis have similar shock-wave issues? Or with its different exhaust geometry, does it attenuate the shock-wave?
It has no such problem. More similar to a (Gasp) piston engine. The port is sharp edged, slow opening,
and has a 90 degree turn cast into it. That energy expended inside the engine shows up as a bit more coolant temp. Even so, a spectacular improvement.
Lynn E. Hanover
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