A. First off It is really by no means very good to chiptune engines that make use of a AT gearbox, second of all I do not recomment to chiptune this CFE engine in particular! Now we have run very some test, and soms tests with blow off valves not https://gearbox-cvt-proton07272.answerblogs.com/34168346/the-5-second-trick-for-gearbox-cvt-proton