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Type: Posts; User: 05Retro

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  1. Both trucks stock. A couple months ago I added a...

    Both trucks stock. A couple months ago I added a 1" Pro-Comp leveling kit and went one tire size up from a 265/65/18 to a 275/65/18. It was a dog before the change and all comparisons were done...
  2. Mine won't stay in 4cyl mode unless going down...

    Mine won't stay in 4cyl mode unless going down hill. Even on a flat going 60mph it will only do 4cyl mode for a few seconds at a time. My buddy's truck can do it for miles and his is stock.

    Can...
  3. What's changed from 03 to 09 to kill performance and gas mileage (both 5.3L w/3.73)

    Had an 03 Silverado 1500 Extracab with 5.3L and 3.73 gears and it averaged about 17mpg highway with a lifetime average of 14.6 and that's towing sleds in winter and camper in the summer. It would...
  4. 09 Sierra 1500 sagging rear, will an air-lift or ride-rite air bag provide any lift?

    I have a 2009 Sierra GMC 1500 SLT Extracab with about 30,000 easy miles. I added a 1" front leveling kit so the my 285/18's would clear the mud flaps and my truck always had a sag in the rear. I...
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