Going through the firewall on 2019 Sierra

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- Oil for Supercars 'To Run Dry In A Month'
  
  By Atlas · Posted 44 minutes ago
  
  It's pretty amazing the reach that First Brands had. This is the first time I've seen "out of stock" on a few different sites for popular blue AC Delco filters. Inventory on the remaining ones has been hit or miss. Supposedly GM's new supplier(s) are ramping up production and popular filter "new supplier" filter models now have A/B/C designations depending on the product line and supplier? Like PF66A, PF66B, PF66C. A is their silver/advantage (budget, white filter/box) line, B is AC Delco Gold (black filter/box), and C is OE/Genuine GM (blue). Nothing like muddying the waters for the DIY mechanics.
- 2024 silverado 6.2 just went down
  
  By Silver Yeti · Posted 1 hour ago
  
  Maybe so, LOL.
- Looking at ordering a '26 WT because I want a std cab, std bed
  
  By GN2018 · Posted 2 hours ago
  
  You are correct - I was mistaken. I'll have to see on my neighbors truck. You're probably right, but it does look rather short.
- Another 6.2L engine failure!
  
  By CTHM732 · Posted 2 hours ago
  
  I haven’t gotten the engine broken down yet to determine exactly but I do know the cam is done and there was misfire in 2 cylinders. While driving; check engine light blinking, stabilitrak flashing on and off and the oil PSI jumped to around 55-60 PSI. This of course after I had to deal with the 8L90 shudder that the dealer couldn’t figure out so I fixed that. If I keep the truck a built L8T is replacing the L86. The DoD/AFM kills these engines.
- Transmission Cooler
  
  By indskyz79 · Posted 3 hours ago
  
  I have the later version of this where it bypasses the radiator and only goes to the AC Condenser. I also have Speed Engineering true dual exhaust with their long tube headers. My trans got to 220 today as the 3" crossover pipe that runs directly under the trans pan is about 1mm away from it. I also have the Sure cool mod done. Had anyone installed a tru-cool 40k or mishimoto trans cooler? IF so, did you bypass the factory cooler or just run it inline after the factory cooler? I need to get these temps under control.
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