Originally Posted by GasGuzzler Please do not believe the certified scales at any feed mill or other such place. They all read higher than actual. Use race car scales. thats what I go off of. scale at SAR.
2008 Black RCSB Sierra 4.8L 14.78 @ 90.93 mph My Garage
Originally Posted by GasGuzzler I think the 400 body style is a little lighter but others know better than me. The L33 is lighter too, no? I heard they were 500-600 pounds lighter than the 99-06 style... But I'm not sure. L33 = Aluminum 5.3 HO, with 310 horsepower, 335 ftlbs of torque.
I show the OBS RCSB V6 being 3828 and the NBS RCSB V6 being 3962 so roughly 150 lbs difference. I compared V6's because they both had the same V6 engine.
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