Quote:
Originally Posted by Red
What rims are you running on your XJ? The stockers are pretty flat behind the rim, you could find a pizza pan, cut it down to fit the inside of the rim and drill holes into for the lugs. The thickness is nominal so you shouldn't be stressing out the hubs at all
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It might be tempting to drill a few holes into the middle of the spokes, and consider that the hole only removes 5% of the metal, so 95% of the strength is left. However, no matter how small a round hole is, the local strain at the edge is 3 times the average, which is too often enough to start a fatigue crack. (That's what took the De Havilland Comet out, opening an opportunity for the Boeing 707 to found an industry. Luckily, the seminal 707 shape got better mileage.)