Originally Posted by dnitro

I had the 5port for about 2 months and it just started to bust my glow plug left and right. I went thru 4 plugs in 20 minutes. When I opened up the engine, I noticed that the piston had a hug crack and a small chunk missing, probably disintegrated. There were small metal shavings inside the engine that was killing my plug. I returned it to OS. They said it was not a manufacturing defect but they replaced it with a new engine anyway. I was really impressed with their customer service. The turn around time was only 2 weeks.