Truck:  2024 Chevrolet Silverado 1500 ZR2 Goal:  Fit the tallest tire possible without any modifications  (no trimming, no spacers, no level kit) and document real‑world results. TL;DR It fits:  An LT285/75R18 (~35")  mounted on OEM 18" ZR2 wheels fits without trimming  for normal driving. Edge case rub:  At full steering lock while reversing into a driveway , there is a faint rub only as the suspension compresses over the bump . Daily driving and forward lock tests were clea

Swapped my 2024 Silverado 1500 ZR2 from 275/70R18 to the exact LT285/75R18 E tires used on the Silverado EV Trail Boss. Fitment is clean—only a faint rub at full lock in reverse as the suspension compresses; no trimming yet. The big question is PSI. Don’t copy the EV’s ~56 psi placard (that truck’s ~3,000 lb heavier), and don’t stay at stock ~38 either. With LT-E you set pressure by load: start 46–48 psi cold empty; 58–62 psi rear when towing; fine-tune via hot-rise/tread che

If you’ve just purchased your first Duramax diesel truck, you’re likely excited about its power and performance. However, as a new diesel...