This subject may have been addressed many times, but I could not access it. Anyone have any experience in deviating from the recommended pump timing in trying to improve economy. Bentley's calls for .90 +or- .02 with a checking range of .83 to .97, this seems like a fairly wide range for a setting I would think would be more precise. I thought this would be the best place for this type of advice. This has nothing to do with performance, happy with the 52 hp, just looking for a few more mpg if possible. I have to time the pump anyway, if no one has any new thoughts, will stick with .90. Thanks, Bob ps did finish the ac condenser not nearly as bad as I thought.