2001 Chevrolet Silverado 1500HD 4dr Crew Cab LS 4WD SB (6.0L 8cyl 4A)
Motor knocks with low octane. Other than that it's a good truck. Put a 3" lift with 33"s on 20" rims. Chipped, bigger throttle body and cold air intake. No worse on gas than my buddy's F-150 King Ranch.
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