5/1/2023 0 Comments Cummins isx programmer![]() If you allow a truck stop tuner (or anyone that says they can increase your power or improve your fuel mileage by tuning your ECM) to work on your rig without fully understanding the effects of advanced timing, your engine is at risk of breaking pistons and cracking heads. It doesn’t matter what the fuel is – gas, alcohol, nitro or diesel – timing should not be advanced once the air is forced into the combustion chamber. Timing should never be advanced on any engine that is turbocharged, supercharged or equipped with a blower. ![]() The largest culprit for these failures seems to be engines with the timing advanced too far forward. ![]() ![]() We are seeing a lot of broken pistons and cracked heads on the newer electronic diesel engines because too many ECM tuners do not understand the internal workings of turbocharged diesel engines. ![]()
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