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3_Kings 2015 Sierra build


3_Kings

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Being I'm new to this forum I figured it best to introduce myself with my build. I picked up my 2015 GMC Sierra 1500 Crew Cab All Terrain in mid September. I started off by adding a 15% tint over the rear factory tint and 15% on the front side windows. Next I added a full set of WeatherTech floor mats to keep the interior looking nice. I threw on a Tonno Pro LoRoll bed cover. I prefer the roll up option for easy bed access. Being GMC called this an All Terrain I felt something needed to be done with the rubber. I purchased a set of stock size 275 55 20 BFG A/T KO2's. My future plans involve a significant suspension change so at this point stock wheels and tire size will work just fine. This weekend I install a set of polished Havoc Off-road HS2 nerf bars. They fit tight to the rockers and the steps are in the perfect position. The last mod this week was installing a new S&B CAI with the reusable/washable filter. Researching CAI's it just looked like this was one of the best options for the price and by far had the best looks. Next my plans are to install a full Cat back exhaust system. I've narrowed it down to the Borla Type S or FlowMaster Outlaw. Just can't decide. I'll update once I make some more changes

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  • 2 weeks later...
Posted

Cheap add on of the week. Installed a set of frame hole plugs at the back of the frame. I ordered from Amazon. Good tight fit.

  • 2 weeks later...

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    • This is a 1/2 ton thing ONLY.  All HDs 2020-2026 have the two speed transfer case, with Autotrac as an option.     1/2 tons 2019-2026, regular 4x4s come with a single speed case (no 4LO!), and trucks with Z71 ordered, or all Trail Boss trucks come with the 2 speed case.  2 speed case is also an option on WT, and is also standard on High Country.  
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    • Do you know WHY the filter relief setting was increased to 22 psig?    When the new system goes into the second stage the pump volume ramps up considerably. It was found that the 15 psi filter bypass setting put the filter in bypass on a warm engine when the second stage was activated. Raising the filter bypass setting forced the filter to do what it designed to do. Filter. Preventing debris from circulating during high load, high rpm operation.    So next question is how did GM find this out? VLOM/lifter failures and a deep dive by Melling Corp.    Last question. Is it required? Look at it like this; a motor may be equipped with a rev limiter. But it only works if the set point in reached. That 22 psig setting only matters if the pressure differential across the filter media exceeds 15 psig during normal warm operation. Second stage kicks in around 3000-3500 rpm.    I can't answer your question because I don't know you and how you use the truck. But I think there is enough information here to let you decide for yourself. 😉
    • Probably not their first rodeo, so it should go as planned most likely.  Typically the service manager or tech doing the swap will put some seat time to shake it down after they get it all put back together.  We usually put 50-100mi before we hand them back so if something happens, its not after you get it.  A coolant leaks, oil leaks, a ground left off or loose, vibration, etc.     The new engines so far have been good?  There's been a couple that have popped out there again (the replacement engine) but most have been okay.  
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