I recently towed my 24' car hauler (empty) 3200 lbs. and was very suprised at the ease of towing. I traded a 99 Escalade with the Vortec 350 and this pulls much better. I guess 45 more H.P. and 1000 lbs. less is the key.I would not leave it in drive, lock out the overdrive and it will stay in...