No No. He is suggesting this plug here:
http://www.amainhobbies.com/product_...um-Glow-Plug-1 The O.S. plug you have now is a short body plug. This engine needs the long body plug.
I have a buddy that ran this engine in his truggy off-road. It would pull wheelies at times, IN THE DIRT, and he pushed towards the 8 minute pit-stops with a little room to spare. Driving style has a big impact on fuel mileage.