To fully utilize the supply that a 165 provides you can add the following:
Dual fuel pumps
Complete top and bottom build
Custom combustion timing
Custom fuel system
Then maybe, just maybe you will use close to the 165 gallons per hour. Provided you are pulling a tractor sled at 4K rpm the entire time.
🤘 Kennedy fuel system support hardware, CCM front Diff Drop, some LEDs to make night into day, got some big ol 20's and wide ass tires and a nice display to show me what's up under the hood- 2012GMC2500CCSB