Recent content by Bigwales
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Died at 70mph on I-75
What a horrible thing to happen!! Wow! My 2026 Tahoe HC 6.2 now has 3500 miles. Oil changed at 500 miles and 2200 miles…next change at 4000 miles. Sample sent in at 2200 miles and for all future oil changes. I still want to know how many 6.2L engines were sold in NA for each year, starting at...- Bigwales
- Post #40
- Forum: Engine & Drivetrain
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2026 Tahoe High Country Fuel Requirements
I only use high octane top tier gas for my 2026. I did this with my 2017 Ford Expedition and the engine, plugs, lifters…everything…was spotless at 100k miles. Better gas mileage as well. When I can find zero ethanol gas, I use that…bumps mpg up 2 minimum. Right now Im getting 17-19mpg city and...- Bigwales
- Post #8
- Forum: Engine & Drivetrain
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New here with questions before (Edit: bought on 12/22) pulling the trigger on a 2026 High Country
I have a 2026 High Country, loaded……….HUD is a must, and so awesome. Air ride suspension is insane…get it if you can…power running boards….a must for me…they are fantastic….rear view camera mirror…a must for me also….totally worth every penny to get those options..if you can. I love them.- Bigwales
- Post #26
- Forum: General Discussion
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Lost the 6.2 (was: May have Lost the 6.2)
May I ask your oil change intervals since you have owned the vehicle? Also do you drive with AFM on? Thank you.- Bigwales
- Post #81
- Forum: Engine & Drivetrain
