Bob Drake Catalog 30

Of Wheels

BOLTING YOUR WHEEL TO THE HUB Different styles of wheels use different styles of lug nuts. Aluminum or Mag wheels sometimes use a flat face or a rounded face nut. Steel wheels including wire wheels usually use a beveled edge nut. FLAT

ROUNDED BEVELED

Make sure the nut is the same diameter and thread as the stud. Chevrolet normally has a 7/16-20 stud where Ford and Mopar use a ½ x 20 stud. Way back when, some cars used RH and LH thread. This is very uncommon, but watch for it. When bolting the wheel on, it’s best to seat a lug nut snugly on each stud before tightening. To uniformly seat the wheel on the hub go around the wheel in a sequence (every other nut on a 5 lug wheel) tighten a little more each round until the correct torque specification is met. Using the wrong lug nuts or not tightening them properly could result in you being in the ditch with sheared studs as your tire heads on down Route 66 into the sunset without you. BOLT PATTERNS This pattern is expressed as the diameter of an imaginary circle that passes through the center of each bolt hole regardless of the number of holes. 4, 5, 6 & 8 lug wheels are all measured in this way. The expression 5 on 4½ just means that there are 5 holes equally spaced around a 4½" diameter circle.

Measuring the bolt pattern on a 4, 6 or 8 lug wheel is pretty simple. Just measure from the center of any hole to the center of the hole directly opposite and you’ve got it. On a 5 lug wheel, go from the center of any hole across the center to a point midway between the centerline of the two opposite holes.

Remember also that Ford and Mopar use a larger stud so the lug hole in the wheel is larger than GM's. HUB CAP MOUNTING

Our 1940-1948 Ford Car & 1940-1956 Ford Pickup hub caps fit our wheels that have inner bumps to capture the outside flange of the cap. Our 1949-1950 Ford Car hub caps fit our wheels that have outer bumps that the cap pops over. OUR HUB CAPS AND BEAUTY RINGS FIT OUR WHEELS.

10 "

81/8"

1949-50 FORD CAR HUB CAPS

1940-48 FORD CAR 1940-56 FORD PICKUP HUB CAPS

OUTER RETAINING BUMPS ACCEPTS 1949-50 FORD CAR HUB CAPS

INNER RETAINING BUMPS ACCEPTS 1940-48 FORD CAR & 1940-56 FORD PICKUP HUB CAPS

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