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I added Longtubes, can a tuner modify the Whipple tune or do they have to start from a fresh base tune? What about if I added harness for IAT2 ? Can the Whipple tune read it?

I plan on being the first 392 hemi to EVER go 9s NA on heads & cam next month (stock short block). The car is the current "record holder" for bolt-ons only with a best of 10.77 @123 which was done without full bolt-ons or trans tuning (but great da). I have a custom max effort cam - definitely...