GM Lost a BILLION Dollars Because of THIS Engine!

Well, i did it, bought a 2026 gmc 3500 hd Denali with the 6.6 gasser, i can tell you one thing is, that it was way smoother and quieter that my zr2 when i drove it home last night, i think i might like this, knowing that my engine is not gonna lock up on me.
 
Well, i did it, bought a 2026 gmc 3500 hd Denali with the 6.6 gasser, i can tell you one thing is, that it was way smoother and quieter that my zr2 when i drove it home last night, i think i might like this, knowing that my engine is not gonna lock up on me.
AWESOME choice my friend. I don't think I'm far behind you on this one!
 
I am only on my second tank. The first tank was 11.8. The gasser is not the best on gas but its basically a wash between it using regular and the 6.2L using premium.
Why is the 6.6 recommended for regular and the 6.2 for premium?
 
Well, i did it, bought a 2026 gmc 3500 hd Denali with the 6.6 gasser, i can tell you one thing is, that it was way smoother and quieter that my zr2 when i drove it home last night, i think i might like this, knowing that my engine is not gonna lock up on me.
What kind of gear and trailer are you pulling?
 
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