Originally Posted by
merdith6
I'm no expert, but the difference in stroke if the diameter of ther crank is the same and the rods are both r7 then the difference is where the crank pin is. If it's farther out on the crank it's a longer stroke. I hope I'm not way off....
Ok well that makes sense. I wonder how far off they arey are. I can't find anything on the stroke length of the fms only the toro.
BTW what would happen if they are not the same but really close