1jz stock ignition map

[Meph]

Working on my 1jz ignition map, trying to find the settings that are going to maximize 1k-2.5k rpm crusing, user maps are all over the place, for example at 1500 rpm and 16"-hg vacuum, ive seen values as low as 16 deg and some as high as 38deg. Id really like to know what Toyota programmed into the ecu's (im sure they did the R&D to get optimal numbers) or if someones experimented, what spark advance is going to provide the highest MPG/torque.

 

Here's where my map is at now, ive got the Boost timign sorted out fine, id really like to get things done right in light loads though.

 

v

 

 

If anyones got some input that would be great.