Megasquirt talk (split from robokills project thread)

[NoHachi]

Skassa: 12 vs 17 ignition map settings..cruder indeed..but that is already 12x12 individual map cells you would have to specify..now some of those will never occur in practice, but that still leaves about 100 map points that need tuning..now look at the 17x17 map. Thats 289 map points..say around 200 when you don't count the very low rpm/full throttle etc ones..Will you be tuning each individual cell in that map? I won't for sure..but the engineers at toyota (will and do so).

Coolant temperature correction? You only run that while the engine is warming up. Most people accept somewhat lumpy running if it is during startup only. Overtemperature map..safety feature that you lose..Applicability to a tuned engine might be doubtfull.

TVIS activation? you would need to hardcode that into the MS map..think it will run smoothly even without the delay option.

As fas as the idle routine goes..these kinds of things can be programmed into the MS2 without problems..there is room enough. I do have to say that these algorithms focus on 2 or 3 sloped areas in the VE map that allow stable idle conditions (downward sloped section of the VE map). The rpm points where these occur will have completely changed on a tuned engine..so it degrades to just a catch routine.

Thats my doubt with the unichip thing..If I could alter all the settings etc myself whenever I needed and understood all the toyota maps: fine Dunno whether that is the case though..If all these extra settings are not touched, then they might be completely inappropriate for the new engine you just created..they're there, but they're not helping anything.