Originally Posted by
KillboyPowerhead
Maybe I'm missing something, but doesn't the VCP spark table seem redundant? The axes are the same as the octane tables so couldn't all spark changes be made in the high octane table? Could do a few pulls and see how fast the speedometer/tachometer increase (rate of change) and then zero this table and do a few more pulls and compare, see if you're accelerating any faster. I'm currently tuning a 2015 Camaro V6 and have the VCP spark table zero'd (my original tuner, Overkill, did this as well).