850 Turbo R

[goin2dmtns]

Why with the added performance of 180 Hp, why did they limit it to 8000 feet again?

They have obviously turned up the boost, why limit the gains to 8000’?

I assume most of us mountain riders exceed that elevation.

My Parking area is 6500’
Riding / play area between 8000’ and 10000’

 

[farmboy84]

I agree. That's an area where poo can still claim superiority. So many areas in WY and CO is all above 8000'.

 

[snosumitcsr]

I think it’s all about what max boost the manufacturer is comfortable for warranty. I think the Doo is 6-6.5 pounds of boost max. Sure they could let it rip to 12 pounds but the engine won’t live. Not sure how high the Polaris boost puts out, but it’s probably similar.

 

[damx]

Because b.c. riders don't go above 8000 very often ?

 

[sledin]

So how much HP at 9000ft?

 

[live2beel]

So how much HP at 9000ft?

174.6 ish.

 

[mjenergy]

You lose 3% for every 1000 ft. So at 9000 ft you lose 5.4 hp (You have 174.6 hp). So at 10,000 ft you lose 10.8 hp (You have 169.2).

 

[sledhead_24_7]

Some videos are saying 9000 ft, hmmm. Though it’s probably 8,000ft in reality


Sent from my iPhone using Tapatalk

 

[Ace Freely]

I'm SURE at 8001 feet you start losing HP...


Ace

 

[Remmy]

It's most likely linked to the compressor map of the turbocharger (size of the turbo)

Theoretically the engine sees no additional stress with the system just compensating for atmospheric pressure so even if the motor has to make 8.5 lbs at 10K the hp output is still 180. Although if it is truly making 15 more hp than this years it will be 190+ according to the dyno numbers I've seen.

With that said, a larger turbo does introduce more lag...all things equal.

 

[madmax]

My guess is why not? Going from 160-180 gets everyone selling last years sled and buying a new one. They have to leave something on the table to tempt you into buying a 2024