These modern diesels kick butt. HP and torque are incredible. Gas cannot begin to compete. Diesels are less than ideal for DD. And they are quite expensive to own and maintain. And don't ever break one...gawd hep you.
One other thingy about diesels are the "bad" years. Diesel buyers better beware.
OK. As was well stated, don't start any updates until thinking thru to the end and form a clear idea of what a 'rational' end result should look like. Adding horses is another way of describing 'the law of diminishing returns.'
Formulate a plan, add in all the extraneous crap needed to cpmplete your plan and price it out realistically. You buy that '0411 PCM, but no factor for tune....X 2 or 3. Oops.
The most bang for the bucks are carbs. Now a lot of folks are offended by this, but it's true. The only downside is emissions regs.
Keep in mind what the goal looks like. And the budget. Working with a 6500 lb truck and keeping it functional for towing is a conundrum. The higher the HP, the higher the RPM range for useable torque. Technology has improved the correlation, but it won't help on a Chevy 7.4. When shopping cams, look at the profile plots with HP vs torque curves. And idle quality. You cannot run much over 9:1 CR on pump gas and tow. You could on some engines, but not with a 7.4. What will offer the best outcome is really a healthy engine with good exhaust and intake with a mild torque cam.
Most of the exotica that some of us produce is only done because we can. The build is entertainment. And then the toy gets disappeared and away we go again.
Have you considered a diesel 'burb? [emoji857]
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