Tflong24
Boss569
I want to increase my power by a small amount, 15-25 HP. I do realize that is a lot with these engines. I do believe Ford did a great job maximizing the 5.0. It takes 6.2 ltrs from GM to make the power we do, or less I should say. So I believe milking NA power out of the Boss motor is tough. But I think and always have believed that the Cats are the biggest restriction in the exhaust. Sure you can get long tubes, mid pipes, mufflers etc, but the cats are the biggest restriction, period. Anyway, with that said I would like to delete my cats. But I only want a tune that corrects the O2 sensor, not anything else. In other words I want the factory tune to compensate and make power. I just don't trust any of the tunes yet that do more than compensate for little things. With variable cam timing and all that, I don't want to screw up. So, I guess what I'm asking is do the tunes for cat delete just handle O2 sensor issues and the factory computer still adjust and make HP?
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