2 completely different things. The FP tune is an actual tune that flashes the PCM.As I wait for the tuner to arrive from Lethal I have a question. I am currently running the Burger JB4 with the stock tune. If I continue to run the JB4 after the Ford tune is installed will the JB4 build on the new Ford tune or will it revert things back to how it is with the stock tune except for keeping the new shifting strategy offered by the Ford tune?
JB4 is just something that tricks the PCM into thinking sensors are reading differently.
Both can be used together.
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