COMPRESION RATIO CALC HELP??
IM CONVERTING A SHINDAWA 24CC TO A LITE WEIGHT GLOW ENGINE. I MACHINE THE TOP OF THE CYCLIDER TO ACCEPT AN OLD KB40 HEAD. I HAVE 2CC COMPRESSION CHAMBER AND ID LIKE TO HAVE AT LEAST 12:1 COMPRESSON. DO I TAKE THE VOLUME FROM THE POINT WHERE THE PORTS CLOSE OR DO I USE THE WHOLE 24CC. IF YOU PUT 24 INTO 2 IS THIS 12:1 OR IS IT 24+2 INTO 2 OR IF ITS FROM THE PORT CLOSING WHO KNOWS WHAT IT IS. I CAN STILL DROP THE CYC DOWN IF I NEED TO GET MORE COMPRESSION. ID LIKE THE COMPRESSION HIGH ENOUGH TO RUN NO NITRO.
FARMER TED