I pulled my 7000lb 28-foot trailer to rocky yesterday with my 2000 GMC Sierra half-ton. It's slightly modded though, with a bored and stroked 5.3 (now a 6.3) topped with a Magnusen blower, 4l80e swap, airbags and trailer brake. Another plus is running a low 12-second quarter mile and embarrassing many new mustangs and camaros. 500 rwhp is fun and useful. Just don't look at the fuel gauge and all is great.
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