ISX to X15 swap headache. PLEASE HELP

[Rawze]

(10-17-2023 )weissman379 Wrote:  Ok thanks for the feedback. How do I get this custom tune since the X15 engine has no ECM to get the parameters.

You need to copy the program from the ecm (meant for the original engine that came out with all settings still in tact for truck engine etc.) once the conversion is all done and everything hardware-wise is ironed out ... and e-mail it to me. I will need the old engine ser# and the new engine ser#.