I think you are going to have several large challenges ahead of you if you are considering a 292. One is you are going to be excessively overweight for what your expectations are for a relatively underpowered gas engine, compared to a comparable diesel engine like a Cummins. And second, with that extreme weight, you also have the much higher elevation which will effectively lower the power and torque the higher you go. At the very minimum a turbo may be your only saving grace to offset and compensate for those challenges you face.
