72 340 build vs...other options

Well, dont leave us hanging, please list what modifications were done. I did see he did a pull with a Thermoquad which oh, lemme see I'm sure was stock in 72 with that what do you call it? trap door air cleaner...Yeah that setup sure looked stock to me please elaborate....that's why were here right ?
just watched the vid again saw that a few days ago
379 lb feet torque@4300 stock was 3400 rpm
350 hp@5500
vacuum was 13.7@800 rpm idle
clearly not a stock cam
carb is 750 avs
lost power with t/quad it needed tunning
no alternator
electric water pump