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Ok, so decided to hopefully solve the PITA issue of the 1211 code while towing since I installed the Hydra 4 months ago. Sprung for the Overboost Regulator from Clay at Riffraff. Easy 20 min install. Took her out and romped on it in 65 HP Daily Driver. Wall La, no Code and boost backed off to shift at 25 lbs. That's better.
I had also sprung for the Frx upgrade to hopefully help with the cackle and pushing air through the injectors. Longevity I hope.
Brad told me it wasn't easy. He was right. Getting the fitting on the passenger rail definitely tested my perseverance and patience. Had to pull the AC compressor and still tough to get to. Finally got it done. Engine might be a smidge quieter, and I like the idea of possibly helping the injectors. No leaks so good to go.