Quote:
Originally Posted by gumby79
a test loop is of~100 mi each way same 2 pumps at each end is whst I do for testing . I have found a distinct 2mpg non verable difference North Vs south. +
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Unfortunately my total commute to work is under 30 miles and about 50% city. Once a week I drive about 102 miles (Im taking night classes in sacramento). but the holiday brakes removes the 102 miles trip until Jan 4th lol.
I leave this weekend though around 0-dark-30 and looking forward to hit. Plus drove the truck this morning without the exhaustbackpressure valve and wow! brought back all the performance....
I attached a picture of the little outlet on the exhaust side of the turbo charger. The little valve is a source of oil leaks with a $200 rebuild kit and really reduces economy of the 7.3l powerstrokes until warmed up. (not worth the warm up time, I never noticed it reduce the time at all).