If you want to run E85, you should use an E85 compatible pump, otherwise I don't think the life expectancy of you pump will be long. On top of that, if your going through the trouble of doing 42 lb injectors, why would you not go through the trouble to change out the fuel pump?
1995 Ford Thunderbird 4.6 LX - SC wheels, enlarged rear sway bar, full sound system, cut mufflers, PST 1 1/8" rear bar, Eibachs, Mark 8 LCA's, Al housed 3.55 gearset, cut mufflers
2011 BMX X5 Xdrive50i - BMS Stage 1, Cut Muffler
2005 Jeep Grand Cherokee 5.7L-Her stock DD
1984 Ford F250 6.9 IDIT - head studs in progress