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You need a wide band , also whats your fuel pressure?

I dug into my issue a lot more , found issues with my fuel pressure regulator , but that wasn't the main issue . The mass air flow frequency table was off , I raised each cell like 1 point at a time...

Ben Charles your pm box is full , But this weekend I'm gonna dig into my fuel pressure soon as I get the currie 9inch back under the car (I have an adjustable holley regulator and I've read bad...

Thanks I'll see what it does

355 LT1 12to1 compression trickflow 21* degree heads 205 160 valves ,ported stock intake 58mm throttle body, 235/243 579/597 108+4 cam , 44lbs accel injectors, 1 3/4 long tube headers x pipe axle...

attached tune ,Thanks

LT1 with Torqhead gen 3 ecu .
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