Hi
i cant have knock sensor right now sow what is ignition timing for 1 bar of boost in 4efte using stock turbo and intercoolers with 93 octane and if i changed the turbo to gt20 should i retard the timing or leave it the same and if i should change what it will be
how can i know the maximum ignition can i use in full throttle because i don't have knock sensor the
engine:TB48DE
99.5mm bore, 102mm stroke and double overhead camshaf
max spark for NA and forced induction?