I don't know what all is included in the S-trim kit but I'd assume it comes with a FMU.
The 30#ers flow enough that you don't need the FMU. The custom chip also helps with the timing and fuel curves. If you move up to a 90mm MAF, make sure you ger it calibrated for the 30# injectors.
Dan
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~Dan
2001 SVT Lightning
89' GT : Taking up garage space and waiting for a buyer...
Rice Hater's Club - Member #11
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