A compression ratio question. For my initial phase UHV project where:
-106 cc aircooled
-test rpm of around 3800 rpm
-power level around 2 hp (low I know, but gotta start somewhere and if it 2 strokes at light load then that is a good thing)
Just wonder what CR I should be looking at. Have been using 15:1 (total), but thought it may be wise to get some opinions. This would be based on the volume calculated to the end of the plug thread, ie where the thread is flush with the chamber face.
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