I called FIC and found the right o-rings, which are exactly what I have already. Problem turns out to be these cheap rails I bought. More specifically the brackets I made for them. The holes in the rails are 2.5inches to the right of the holes in the manifold.
They hold the rails from moving side to side, but they dont seem to hold up against 8psi of boost forcing the injectors directly up and out of the manifold. Data log shows fuel pressure drop to nil when I hit 8#s.
So now that I've given the motor a good ethanol bath, I've decided to order the Edelbrock rails and just sit patiently until January when they ship.
.......and put a fire extinguisher in my car.
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2011 Camaro SS---SOLD
TMS Dart 427 FED M311s, ESS Tuning G4 Blower, DSX Triple FP Assembly, DSX FF, FIC1300, Mcleod RXT 1200HD, Edlebrock Pro Flo XT
1158whp 1017wtq.
2010 CTS-V A6 - "Stock" SOLD
630whp 658wtq
2024 F-150 RCSB 5.0 4x4
waiting for tunes...