MarkStrittmatter posted:Hello Chris, I didn't think there was difference in smoke units between MTH 2.0 and 3.0 engines but their must be.
Chris Lonero posted:I'm not sure why 2.0 or 3.0 would make any difference when it come to the amount of fluid in the smoke unit but I have put 20 to 25 drops in both and never had any problems.
I notice there is not much of a difference except in the 19th Century Ten Wheelers... the Proto 2.0 models put more smoke out than the Proto 3.0. I just replace the wick in the Proto 2.0 Model and it looks great now.