RE: saito .91 smoke????
I just found this thread but I'm testing my smoke system tomorrow. I have a Evo 1.00 2-stroke w/ a pitts muffler. 2-strokes don't get that hot so I had to use 1/8" copper tubing insulated with 3 layers of fiberglass & aluminum tape as a preheater. I post the video this weekend. Here are some pics: