has anyone towed with smarty and what levels?
how much weight and how high were your egt's?
did you see any milage increses?

I'd like to know all info compared to stock.thanks!

 

have an 05 on level 9 and she will get hot, but it can be controled with your foot but you need to keep an eye on it . tailer wieght +- 20000

01 SO on 9 with rv 275 no problem. trailer wieght 10k-20-

01 HO on 9 with mach 1.6 starts getting hot after 34 psi boost. TW 10k-20k

 

any milage difference?

 

I do get better milage but its just a little I have a 33' holiday ramble 5th wheel that has a gvw of 16900 and loaded i get a consistant 11+ mpg with the 01 HO and the 05 cant say for the 01 SO its got a utilty box and employees drive it