I have a BAMA and Lund ghost cam mail tune, all race tunes and all feel the same with my mail order tunes. I run a real time AFR gauge in my car and have checked advance timing during acceleration. All close to the same, the ghost tune runs lean AFR gauge bouncing around 15.2- 16.0 idle.
Only failures I have seen on #8 is with stock tunes and Ford has warrantied them.
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