In order to test whether variable displacement will or will not work on my engine, I will move ahead on my own. I will fabricate spacers out of 16 ga Home Depot sheet steel that will simulate the closure of the intake ports of cylinders 1, 4, 6, and 7. I will then install said spacers onto the engine of my truck, with gaskets. I will then electrically disconnect the fuel injectors for cylinders 1, 4, 6, and 7. I will then perform an A-B-A test with this setup. I will then figure out what fuel economy gain I received, if any, and will report back here.
I do appreciate the advice and suggestions you all have given, though. Thank you. However, I do ask that from now on, that any advice or suggestions given in this thread directly relates to supporting this project.
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