Death wobble is typically caused by the track bar being shot/worn... bigger problem on the 2nd gens than the rest. 3rd gens had the issue too, but I think by now they'd have it mostly figured out.
Bigger tires would just emphasize the wobble when it happened, but you should be fine.
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'98 2500, C/C, S/B, 12v, 5spd, 4x4, CAI, TST #12/BoostElbow, 4kGSK, BD Exhaust Manifold, AutoMeter Gauges, Bullydog 4" TB Straight Pipe, AR Outlaw IIs with Nitto Terra Grapplers.
'04 Sterling Acterra 3-ton, Picker/toolboxes/deck truck
'79 Chevy C10 (Big 10) Scottsdale, R/C, L/B, 350-4bbl, 3spd auto
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