found this link when i was searching for maps for the garrett t25
they have about every thing you could want well every thing i want

http://not2fast.wryday.com/turbo/maps/


and if you want info on how to read them go here

http://www.turbominivan.com/index.html

if this is by any chance a repost just lock it right up

 

This is a good find.

There are a couple of threads in the FI FAQ about reading efficiency maps. I think these will make a good addition.