Lusifer used to eat Corvettes for lunch. It could do a sub 4 second 60-100 pull. I never lost a street race with my 2871 and E47 tune.
Those were fun times.
But put that same money into the 'vette, and...
I'm not trying to say folks shouldn't drag Kappas. I'd love to see more folks developing non-LS setups that deliver. My point is just that it's just not as easy to make fast as an LS Corvette/Camaro is.
FWIW, my porky 4000 lb with me in it Camaro should be good for a sub-10 second 0-100. Best 0-60 so far is 3.9 seconds, so I likely can't touch your 60-100 time yet...but even with HP tunes I've only got a little more than a grand worth of go faster parts on the car. But with a cam? $2kish total (headers/intake/exhaust/cam) or so if you do the work yourself, another $400 for a dyno tune, and suddenly it gets interesting...