Looks more like 170-155=15 hp more to me (not 10 hp). And wow look at the 110 ft-lb torque..........it makes as much torque at 6900 rpm as the 800 does at peak. That must feel good.Looks like a solid 10 hp and Tq across the board. That's a good 7% to 8% improvement. If the clutch is more efficient as well...you would see better than 10% to the ground. Will that increase blow your socks off? No. Will you feel it? Absolutely.
The G4 is also lighter too...so track hp to weight ratio should be up ~12% or so. Not bad at all.
Just remember... when someone baits the hook, they use the best bait they have available early in the season.. when you sell something new at the start of the season.. Everything is 100% in the plus column, we shall error on the side of performance.. Later we shall error on the side of durability and reliability and reduced warranty cost.. Just saying not that I have ever been involved with manufacturing a vehicle for consumer use......Looks more like 170-155=15 hp more to me (not 10 hp). And wow look at the 110 ft-lb torque..........it makes as much torque at 6900 rpm as the 800 does at peak. That must feel good.
no changes in head...only a little tighter squish and a little hotter ecm, better ex valve check valve...
The reason for the bump in 2015 and 2016 on the 800 Etec was the change in the head work.... here is D&D showing 164 at stock, and higher with a kit. Doo changed the squish dimension, and dome from what I was told. Similar to what some may buy from rk tech or d&d for other sleds mods