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I've been pushing the threshold a little. Today I pushed it to 440 hp at 13 lb boost.
It was running lean above 8500 with the 750 injectors. Upped the fuel pressure to 65 lbs. No signs of detonation at all. This is how Honda should have made it.
I was told I'm being held back to the tune of about 30 hp because of running the factory exhaust.
It sure is ___________ (insert your own descriptive) to drive. My face hurts from the smile and when I left the Dyno shop, Shawn still had a smile plastered on his face as well.