He may but shouldn't. On E85 with Shawn's FMIC and an 18G his car probably would have been running out of fuel if he didn't have the voltage up to proper specs.
I changed my FPR as well but with out the voltage fix I would have still run out of fuel.
Really both things need to be done.
I think the ONLY thing we have all been differing on is whether or not to use the FPCM or run the pump all the time.
As of right now Shawn is still running the FPCM so when he says 100% he means through the FPCM not direct wire and pump running 100% all the time.
So far those that have changed the wiring and the module have gotten correct voltage like an STi at the pump and if you change the stupid 05 FPR its even better.
The later LGTs had the FPR like the STI