I’m sure a bigger cam could be put in it to get a higher number to brag about for same cost. He’s 318 based too. So at over 1hp/cu in he’s 16hp down from a 408
But OP seemed to be looking for maintenance free, reliable, easy to stay tuned, street motor he could jump in and drive anywhere.
...still may be limited to street tires trying to hook on street pavement.
