The main purpose behind the FMU is to allow undersized injectors to function at an acceptable level under boost conditions.
With the proper injector size and a custom chip, I've been told to ditch the FMU by LaRocca's. I've discussed my combo with them on a couple of occasions and this is what they are telling me too.
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1991 5.0 LX Coupe - 40,750 miles
331 cu. in. / Tremec 3550 / BFG Drag Radials
12.22 @ 114.31 mph - w/1.89 60'
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