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Old 10-09-2016, 12:16 PM   #10
parish8

 
Drives: 17 SS a8
Join Date: Feb 2010
Location: omaha
Posts: 1,678
here is a nice comparison between my run and tslopers runs.

mine is the blue run. he has a rotofab intake and has not removed the 2nd cats or crimped area. also his runs were in 5th and mine in 6th so that alone might make a comparison worthless but I am going to just ignore that.

my a/f is not as lean as shown on this chart, my wideband is showing ~13/1. you can see I am a little down in the lower rpms and a little up in the higher rpms. it might be the less restrictive exhaust or it might be that he is starting to richen up a little up there.

what I find most interesting is how close the 2 graphs overlay. it looks like these giant gains from e85 and tuning can be repeated.
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