What should I see for compression on a 17 800 pro at 1500 ft elev ?
and what is the correct way to do it, Leave one plug in , other plug out at same time. engine warm or cold, ECT ?
Have 2500 miles, still running strong no rpm drop, Just thought I would check, trying to decide on checking new and keeping for spare or trade or possible sell .
and what is the correct way to do it, Leave one plug in , other plug out at same time. engine warm or cold, ECT ?
Have 2500 miles, still running strong no rpm drop, Just thought I would check, trying to decide on checking new and keeping for spare or trade or possible sell .