Block learn

[madhat]

What is the block learn on the scantools?

 

[BoostKillsStres]

Its the stored long term fuel adjustment used in part of the fuel calculation. There are 16 BLM cells thats can be referenced depending on MAF and RPM however usually only about 8 to 10 actually get used because of the courseness of the grid.
Search the gnttype.org site if you want to do some reading.