Fuel cuts and g/cyl plummets at certain boost level in SD, but not in MAF mode?

[GrannySShifting]

What are the limits of boost you can RUN, vs what scanner reads (stops reporting MAP at 255 kPa), doesnt look like Maximum MAP limit has any affect on anything?

[ZincGT]

I pegged 255 at 5500 rpm on a centri blower setup, just made adjustments to the rpm side of the VE table.

[GrannySShifting]

I pegged 255 at 5500 rpm on a centri blower setup, just made adjustments to the rpm side of the VE table.

What are you talking about?

[ZincGT]

Here is your question

What are the limits of boost you can RUN, vs what scanner reads (stops reporting MAP at 255 kPa), doesnt look like Maximum MAP limit has any affect on anything?

Here is your question with my answer

What are the limits of boost you can RUN, vs what scanner reads (stops reporting MAP at 255 kPa), (The scanner does peg at 255kpa, on my setup it would peg 255 at 5500prm so to make fueling changes I adjusted my ve table in the 255kpa section but used the rpm axis to dial it in. My setup was making roughly 26psi.) doesnt look like Maximum MAP limit has any affect on anything?

[GrannySShifting]

It sounds like you are saying you made every VE table value 255kPa and above the same, and adjusted those values in each RPM column to get the air fuel you want one time on a dyno for example.

Thats not really a great solution, because on a cold November day you might see 2psi more across the board it wont know about (would be fine if you left it fat in less dense air, we used to have to do stuff like that before multi bar MAPs etc)

Its especially not a solution on a turbo car where boost will see 245 kPa, 260kPa, 280 kPa variably

[ZincGT]

Yes I agree, my a/f did very about .5 with weather however that wasn't your question at least from how I understood it. I was just trying to provide feedback on how I handled my situation with more then 255kpa. You could also scale back the map sensor settings so instead of being at 100kpa key on engine off you could try 80. Just a thought, I do this when I travel and race, match up the baro reading with what I have here in denver and it helps dial in my fuel table faster and allows me to "see" more overall boost.