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The length of the off set on the Ford lug/starting wrench will only allow so much torque when using it, unless you strong arm it. They only need to be tight enough to keep them in place, not deflect the center pulling it down into contact with the drum at the mounting holes. (If you look at the back side, the area around the hole is not flat it has a shoulder) The mounting holes on the Model A wheel were not made to be in contact with the drum. They act like a spring, keeping the lug nut from backing off. Without forcing it, put the wheels on using the Ford lug/starter wrench then use a beam type torque wrench and see what the value is. The cross sections I have seen with the wheel installed show about a 1/16" clearance between the hole shoulder and drum.