The 360 is...well, a 360. It's a heavier duty engine than the Cummins 6BT. I think the block is different, but not sure. It's even more overbuilt than the 6BT too. What's the conversion? a 6BT, or a 466? I'd keep the 360 if it's going to be under about 20k pounds, otherwise the 466 has my vote. Then again, the 466 has my vote for a pickup too.:evil: LOL Comparing the 360 IH with the 359 Cummins, I'll go with an IH. There's about the same power potential, just harder to get injectors for. I'm sure it's close to a 466's weight too. Are you looking at getting some serious sled pullin power out of the 360? What's the goal we're looking at?