Is the 850 E-TEC a Rotax snowmobile?
In speaking with Ski-Doo officials, Krob learned that adding a turbo was a part of the original design goals for the 850 E-TEC engine that was unveiled for model year 2017. Plus, the turbo is different that the one found on four-stroke Rotax products, including the 900 ACE Turbo snowmobiles.
When does Ski Doo Summit 850 E-TEC turbo come out?
The Summit 850 E-TEC Turbo will be built in limited quantity for this winter, with orders being taken by dealers the next couple of days and shipping of the already-built units starting this Thursday, January 16. That said, history tells us a more full-build will be a part of the 2021 lineup.
Is the 850 E-TEC turbo a sea level car?
The 850 E-TEC Turbo also features a unique setup: At sea-level, the turbo does little.
How much horsepower does a summit 850 E TEC have?
Above 8000 feet, it maxes out at 40 added horsepower, so at 10,000 feet, where a 165 N/A engine would create 115 hp, the 850 E-TEC Turbo makes 155. The machine on which it’s found is not labeled an Expert, X, SP or Sport but merely as a Summit 850 E-TEC Turbo.
How much horsepower does an 850 E TEC have?
Designed specifically for the 850 E-TEC entirely within Rotax walls, the new turbo ensures full use of the 850 E-TEC’s 165 horsepower all the way up to 8000 feet and then maintains a significant 40-horsepower advantage over normally aspirated engines from 8000 feet to the top of any mountain
What should I do about my Ski Doo E-TEC 850 Turbo?
If so, the first big upgrade to handle more boost might be a dished piston, or a head with a larger combustion chamber, to lower compression. At some point, you’ll hit the limit of either the bottom end or the turbo; find a friend willing to run stage 4, and if it lasts 500 mountain miles, you’ll probably get acceptable life with stage 3.
Is there a problem with the Ski Doo 850?
The 850 has had four seasons on it and thousands of trouble free turbo sleds running a lot more boost than the factory turbo. The only problem you run into is not enough octane for your boost level.