![]() ![]() If you stand in a slipper spot long enough, sooner or later you are going to fall down. ![]() It's like an instructor told me many years ago. Flashing, or changing, the programming in the ECU can change the volume of fuel injected and the ignition timing allowing for a longer burn time. So if the RPM's are increased by overriding the rev limiter the engine then has more potential for pumping air in and out, and that allows it to burn more fuel. The combustion supplies the power to spin the pump, and air, or rather the oxygen in the air, is part of that combustion process. If you were to somehow spin the engine without combustion it is pulling air in the intakes and pushing it out the exhaust. An engine like this is basically an air pump. Getting a bit deeper in how and internal combustion engine works I like to get very basic in the explanation. Flashing a 250 SHO would be outside the limits yami has so far offered, compared to a f250 to a f300 but I am pretty sure this negates the engine warranty like said above. Flashing a ecu will definitely allow more but at what risk was my point originally which was in response to the topic question. The ecu is a sensitive subject from the aspect that yami and other manufacturers use the same block to offer varying HP offerings like the saltwater series 225, 250, 300 are the same minus alternator type and ecu so you know its original design was to allow for more. This forum occasionally gets people pushing products and services on it hence my response. When I asked if it voided the warranty would be voided, I got no reply. The way your replies read it sounded like an advertisement for hydrotech not a question. To the OP, I never said that this couldn't be done. You can either push it harder, or you can make it easier to push. Getting more speed can be done a couple of ways in a boat. In my life I have done a lot of things to squeeze more speed out of a car, boat, truck, you name it. And that is the reason that the vast majority of boat owners are not interested in Flashing their ECU's to get more speed from their boats. If you stand in a slippery spot long enough, sooner or later you are going to fall down. Getting a bit deeper in how an internal combustion engine works I like to get very basic in the explanation. More HP output equals more stress on most of the mechanical components, and more stress equals more breakdowns. Can an engine survive higher RPM's and higher HP output? Yes, but it's not a guarantee. I can assure anyone considering this process that it can indeed void the engine warranty so proceed at your own risk. I cannot see how that would work without a more complicated change in the programming, but then I'm not into the programming of these ECU's personally. The original question on this thread was a bit confusing to me since it asked if the throttle position sensor could be adjusted to get more RPM's at WOT. I don't understand the adversarial tone this conversation has taken, and I find that unfortunate, but I do have some comments on the subject matter.įlashing an ECU, or installing a chip as I've heard it called in the past, is certainly possible on many computer controlled engines. ![]()
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