My '86 6.9l was Dyno'd around the 300hp Mark. Its Bored, Banks Turbo'd, '94 IDI Turbo Injectors &
IP,
IP Turned Up, I forget what else was done to the engine. I'm Planning on doin the 6.2l Gov Spring, Thinkin a NOS Shot, and a Intercooler (With some special plumbing and features)