2 bar map

[grsha]

Hello all, I am wanting to change the os to a 2 bar map. my question is when i do this will i loose all the tune files i have and have to start over or will it just adapt what is needed to go to the 2 bar map?
thanx
Greg

[dian]

thats what i wonder also. and if there is some kinde of automatic rescaling.

[mattmonaro]

You dont loose anything
Map table doubles in size and you get a few extra features related to boost

[TheHooley]

I've been trying to switch over to the two bar as well and when I save the file into the new OS and I open up the VE table it goes to 210 kpa like it should but only uses the same amount of cells as the stock file... all of the maps I've looked at on here are twice as long. What did I do wrong?

[RonSSnova]

Nothing. Some OS don't have enough room to add the bigger VE table is my guess.
I am tuning a turbo 6.0 with a red/green pcm. The orig OS was flex fuel. I wish we would have converted to a red/blue pcm and a diff OS.
Winter came and we halted the effort. I was having a lot of difficulty getting the VE dialed.
There just isn't any resolution to the table.

Hopefully someone who knows these OS better will chime in.

Ron