Quote Originally Posted by SSpdDmon
Ok, I see the flaw (I think) in my theory. Changing the displacement will lean out the mixture, but will still change the grams/cyl. calculation too because you are altering the known volume of the cylinder. Fudge the VE and you fudge the numerator (grams/cyl.).....fudge the cylinder volume and you fudge the denominator (grams/cyl.).
Not quite... It's grams / cylinder, not grams / cylinder volume... if it was, then displacement would be a factor. As it is, the units are G of air, Temperature and manifold pressure, displacement doesn't play a factor.