2500 Suburban 496ci

[98S10]

Whats the final word on your 8.1 Suburban?  Average gas mileage?

[76BBSub]

I have a buddy with one, I'll ask him next time I see him.  If it's anything like the other Vortec engines the mileage will improve for at least the first 10K miles as the engine breaks in.

[98S10]

Does anyone know when the 2500 Suburban will get the Duramax(detuned version) option with the 4L80E tranny?  2002 model year?  If so, then we could see DMAX/Subs on lots by October?