<BLOCKQUOTE><font size="1" face="Verdana, Tahoma, Arial, Helv, Helvetica, Sans">quote:</font><HR>Originally posted by SunValleyAmigo:<BR><B>...His truck was prototyped for a Billy-Dog Turbo upgrade and propane conversion kit. He showed me the Dynometer readout he had in his glovebox.<P>418 AT THE WHEEL HORSEPOWER!!! <P>823 POIND FEET OF TORQUE!!!<BR></B><HR></BLOCKQUOTE><BR>I checked the Duromax specs, it is rated at 300 hp and 520 torque. Is the increase due to the "Billy-Dog"(?) turbo, which I assume adds more boost than the stock turbo, or does the propane conversion add power too?<BR>