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@shadetree one idea to fool a computer with a V6 or V8 engine would to relocate the o2 sensor(s) into a stream that isnt being "tampered" with. This would involve pretty much designing a long tube header system for the explorer and letting the sensor sniff cylinders that are still operating in a range it likes. A really nice exhaust system would probably get you some gains just by that on the highway. The cheap way would to weld another o2 bung on just one side and run a longer oem sensor so they are both reading the same bank. However on paper it has its merits and downfalls. If you want to shut off cylinders when you want I think it would be a good idea to "rotate" them so there is no washing down and extra wear, so that kinda taxes the o2 moving idea too.
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