hello , on my 1939 chevy 1.5 ton truck , just had the straight axle rebuilt and new wheel barrings on the front , i have added grease to all fittings , wheel alignment done retorqued the lug nuts . i have the truck setting on jack stands i have vertical wheel play , when i grab the top and bottom of the front wheels they both move the same amount , very little but i can feel it . is this normal for that style with ball barrings ? any ideas ? thanks petep1