5.3

I have a 2013 Sierra 1500 with the 5.3 Active Fuel Management system. I'm replacing the active lifters on cylinders 4 & 6 (for now) and bought ACDelco parts which I got from Rock Auto. The box that the lifters came in list the GM equivalent part number along with the ACDelco part number, which...

Ok, so i bought this thing at an auction for a great price with around 156000 miles. Since then It now has 182000. I recently acquired an 18' tandem trailer weighing about 3000lbs to pull my derby car with (for a total of about 5000lbs). I can get the car over the axles and off the tongue, but...

'15 Sierra - What's your highway MPG? Let me know what your averaging in a 2015 4WD crew cab 5.3 and 6.2 on the highway only. Don't really care about city mileage. Make these realistic - you know, driving down the interstate at 70, 75, and 80 mph. I have a new 2015 5.3 4WD Denali. Getting...

What's the LOUDEST TBS on the market ?