hI everybody, Im New to this site, Looking to purchase a NEW , OR >>>>>>>>>>> Engine for my PU Truck, I Pull A Large 29 Foot Fifth Wheel Trailor ,, And Would like to find a 6.0L Engine With Even A Little More Pulling Power, AnyBody Help Me Out Here Please ???Also Interested in a 4L80E Transmission With Some Added BEEF To It as well, Let me know Guys,, Im Needing To Buy One RIGHT AWAY !!!!