can anybody teach how to read compressor maps...? corrected air flow... pressure ratio...? and the several thousand no ex: 127070, what is that...? and how to wanna compensate it to an engine such...
guys....i just bought a RPM meter wanna install to my car...
i'm using BMW e28 + rb20DET
where can i get the RPM signal?
izzit from ECU?the 7th wire?Tacho signal?
i tried but failed....can't...
i tot my RPM meter...