Fuel mileage still sucks
10-29-2021, (Subject: Fuel mileage still sucks ) 
Post: #14
RE: Fuel mileage still sucks
One thing that jumped out at me while reading your posts was the dealer turning it up to 525. I’d have to research this but I don’t think any cpl.#’s are able to crossover the 500hp threshold. Either you have a 400-500 or a 525-605hp. I’d put it back to the original calibration listed on your ecm and see if that doesn’t help.


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RE: Fuel mileage still sucks - schISM - 10-29-2021



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