Largest Size Wheels Can I Put on My 1968
Short answer: 15×8 won’t fit inside the stock wheel wells. The front and rear handle up to a 235/60-15 without trouble; the rear can take a 255 if you roll the quarter/wheelhouse lip. Rim offset is critical.
Members have run 15×7 with 235/60-15 (looks great, fills the wells), and one ran 15×8 with 275/50-15 on the rear (no rubbing, though that tire really wants a 9.5–10″ wheel) for straight-line use. Keep front and rear diameters close for good handling — e.g., 225/60-15 front (25.63″) pairs better with a 275/50-15 rear (25.83″) than a 235/60-15 (26.1″) would. Fit-check rule of thumb: straight-edge vertically off the drum and measure to the front and back of the wheelhouse, leaving 1/2″–1″ each side for sidewall bulge.
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Content last modified: June 13, 2026 at 10:06 am
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