2023 Silverado rumors 500+ hp

[jjackrash]

The 10 speed on the GM HD trucks is butter. Its does shift all the time--that's the point--but its so smooth you can barely tell when it shifts.

[Xmcdog]

My 2011 GMC Duramax has 397 hp and 765 ft/lbs of torque. Pulled my fiver up many hills and recently with a uhaul trailer from Nova Scotia to Alberta. Gives decent fuel mileage and always has reserve power. Do I need more? Not really, but I am retired and in no hurry these days.

I do wonder with the engineers asking more power from basically the same engine just how much this is reducing the life of the engines. My truck has 265,000 kilometres and I am sure will run for many more.

[Vintage465]

The only thing I heard and wouldn't like would be the more shifting. I'd call that hunting. Generally when a tranny i hunts like that the temp of the transmission goes up. I travel down the road with my 7000 pound coach and I'm is 6th most of the time @ 1600 rpm. If it shifts down to 5th the r's kick up to about 1800ish. if it drops to 4th it is certainly a real live hill and the r's go up to about 2400 and I will gaining speed real rapidly. I imagine if it was a 10 speed there'd just be some shift points between 4th and 6th to make the r's less depending on the incline. In my case I don't see why I'd need more speeds or power..........but then again I'm only hauling 7000 pounds ish.......kind of like having a dish towel behind the pickup.