- Nov 15, 2005
- 121
- 0
- 1,516
to all sifu,my car is a kelisa running on bot,few week ago i went to skimmed my piston 1 mm to lower down the compression,then after tat my rpm get as low as 800 and my car jerk,some people say after lower the compression is like tat and the timing lari already,now i have to adjust the throttle for highyer rpm during idling,can any sifu tell me why will this happen???