this is only true to a point .the long rod will make the pistons shorter. pin is hirer up and with some stroke the pistons get verry short and the skirts to .so this works on the rings and on the walls so on a race engine rod speed is the eschew short rod can be made to run good and piston companies can re work skirts design or tapper trunning may help to so if not careful you end up were you started .working the rings and wallls and the pistons not stable in the bore. i look at it what will it takes to hook the crank to the pistons . is this a good CH can i get a goood ring pack on the pistons how much will i have from top of the pistons to 1 ring groove?? i have had custom pistons made for longer rods and see test done on this to apoint this may be true but you have to ask what are you going to do with the engine??