I have a bullet proofed 6.0 everything except the relocation of the oil cooler.. I also have 155/stock injectors and a powermax, Iím curious if anyone knows what kind of hp/tq numbers Iím looking at and what I would have to do to reach my goal of around 550 hp
Do you want 550 max on a dyno or do you want usable/towable HP? Like it was said, 190's or maybe even 175's w/ a KC stage 2. I like the smaller 175, a little less power but less likely to have HPOP issues feeding the injectors at WOT.
This was a back-and-forth on PSA to include some data from Charles(sp). He tuned his own 7.3 and showed temp differences, part failures and whatnot w/ various tunes. They guy was very knowledgable, a bit short tempered but very well schooled on the realistic use of HP w/ towing.
Dave Armstrong and I had this conversation when I left my IDP turned 6.4 back to a 7.3. He did say a 550 hp 7.3 will never drive or behave like a 6.4 will, its just the nature of the beast.
If you think about it, the new 6.7 are 400hp / 1000ftbls and you can tow w/ that all day long, foot to the floor. It can be done but it is harder w/ the older trucks, less efficient fuel delivery systems.
There is a trade off in towing ability w/ the higher HP older trucks that requires good tuning to get around it can be done but I venture live tuning would be the next step. Charlie Fish at KC turbo has a vid of him towing w/ 205's and his KC stage 2, up a grade at speed and his egts are great.
There will be trade offs and as long as you're good w/ that and the extra $$ needed you can do it but I see so many guys give up after spending thousands upon thousands of dollars trying to get their trucks to run right.
Good luck, if you're unwilling to do the work yourself, have a deep pocketbook.