midnightrider1818
Well-Known Member
So i have that 413, it has the maltese cross which i know means .001 undersize rods or mains, after so research i was told to look at the 3rd counter weight on crank for the stampings, i did that and I also have stampings on the second counter weight also, what do you guys make of these numbers, first pic is second counter weight and second Pic is is 3rd counter weight