Why doesn't my LC-1 gauge match my Megasquirt?

[cheek]

.

[nando]

likely because you didn't calibrate them both th esame, or you didn't ground the LC1 at MS.

this must be MS1? Megatune is pretty outdated.

[LowR3V'in]

if you use the LM program it'll show what switch point it's using.