A lot of guys run it without problems. Gives added power, causes higher EGTs, most guys only use it up to a certain hp. Then, they do innjectors, turbos, NOS.
Other guys run it with too hot a chip and have blown rods, and purchased themselves a new motor.
Heard real good things about it and real bad things about it.
Alot of guys have it and like it, others no longer run it.
Couldnt have said it better myself. Mainly, if you plan to upgrade to a bigger turbo and injectors, dont waste your money. If you were thinking about a mild chip, and just want a little more power, propane might be for you.