I have a c15 acert, NXS, personality code 52, which is heavy haul 550 hp tune. My FLS is at -9, FTS at 8. Does anyone have some numbers that would work better then those? I dont have access to a dyno, however have heard of the 74, -19 numbers working well. Any input is apreciated as always.
C15 Acert, FLS/FTS
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Chevyho, Nov 24, 2014.
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From my understanding, you do not want to play with those settings on an Acert. You will do more harm than good.
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FLS/FTS numbers are used to "fine tune" an engine as far as I know. I could be wrong.
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74, -19 work fine with 52 IC file
Chevyho Thanks this. -
Will i notice much diferance changing to those numbers?
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