IVE JUST PURCHESED A 1999 THOR 5TH WHEEL RV THAT DRY WEIGHT IS 12,700 I WAS PULLING A 26 FT MUCH LIGHTER IM GOING TO TRY AND PULL THE 12.700 POUND BEAST WITH MY 1989 1 TON CHEVY DULLY IT ONLY HAS THE 350 ENGINE IN IT WILL THIS TRUCK DO THE JOB ARE SHOULD I BE THINKING A NOTHER TRUCK SOON ANY 1 KNOW WHAT THE PULLING WEIGHT FOR THIS TRUCK CAN HANDLE, ANY HINTS ? BAD IDEAL OR WORST . THANKS IM NEW TO THIS FORUM SO DONT BEAT ON ME TO MUCH