Has anyone found a what to retrieve the lost fuel economy from the E10 fuel that is being forced on us now? What modifications have you tried, I.E. timing? advanced or retarded? temp? higher or lower? fuel curve mapping? Fuel press?

Ok, I have a 98 GM 2.2L block and all internals, with a 97 head on it. Both motors came from S-10s. From the research I did, with the 98 block and 97 head, I have increased the compression ratio by about 1.5-2 points, which puts me in the 10.5-11:1 range. Pretty high for a non-modded motor. Here's...