320rwhp is around 370-380hp at the flywheel. Do you really think for one minute that injectors made for 275hp can flow an extra 100hp without stressing? The injectors are too small, it's that simple. They'll go static (stuck open) at higher RPM and give you (and your tuner) no control over the fuel delivery.
You can get away with 24# injectors if you run a high fuel pressure. Go from 43.5psi to 53psi and that's like running 26.5# injector.
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, Jon
Owner of a Red Sled.
If it\'s EFI I can tune it. Specialize in 82-95 GM (yes Lt1\'s)
\"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......Then, you have enough horsepower\" - Mark Donohue
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