[Notanlines]

Also keep in mind that when you 'upgrade' to the 550's and 5500's thatthe torque and horsepower are less, yes, in the same engine. These are commercial grade and the idea is for them to last longer. 450's and 4500's sold with no bed have the same de-tuned engines.
And drop in to Cooyon's in Mountain Home and tell the chef that Jim and Brenda from Memphis sent you.