ECU Tuning as per "Down Under"

[Probe Dude]

Which is something I am interested in.  When the day comes that I run NOS,
I'll be needing to switch timing maps which I'd rather do through the ROM
than with an externa MSD box.

I've already got the voltage switch, O2 sensor lockout and RPM window
lockout done in hardware.  Now if I can just switch between two timing maps,
that would be cool!

Dave

>that they use either 2x256kbit or 2x512kbit ROM chips. In the first case
>you
>can store in there 2 different maps while in the 2nd you can actually store
>4 maps.