I've added some updated dyno numbers to the dyno results page based on this year's crop of new product.  The Rev XP 800R engine backed up last year's dyno numbers almost exactly and as I mentioned before, the new Cats are about 3.5hp better than the '07s.  On the Polaris front, obviously the 800 was the big news.  The 800 feels really good when you ride it, but further testing in deep snow and against the XPs with the clutches fixed has revealed what we felt like was a slight deficit in horsepower.  As always, the dyno numbers and real world testing are right on.  As you can see from the dyno curves, the 800 has lots of bottom end and mid-range but only bests the 700 RMK by about 4hp on top.  The RMX 700 is also very close to the 800, especially at peak horsepower.  We are still testing heads, pipe mods, etc. but so far the gains have been minimal. 

In addition to stock Dragon 800 numbers, I've also posted the dyno results for the Turbo M8 and Turbo 700 RMK.  When you look at the turbo results, keep in mind that you're seeing a Boondocker Kit with a Garrett turbo turned all the way down in both cases.  Given the Air/fuel ratios, it's also safe to say that leaning on the fuel would bump the horsepower some more.  Based on our previous 5000+ dyno runs, these are very impressive numbers for sleds with the boost turned down and the excess fuel running out of the tailpipe.  We also have a Turbo 800 Dragon with about 400 miles on it under boost and 30+ demo rides in Gould last weekend that is proving to be a lot of fun.  The Apex Turbo really was a hoot but similar weight/horsepower numbers in a lighter and easy to ride sled really is fun.  So far, the bottom end is not as smooth and predictable as the Apex yet but the sleds are proving to be very ridable.  They're still not the weapon of choice for a day of serious tree bashing but that horsepower is a real rush headed uphill.  Last weekend at Rabbit Ears, we literally couldn't find anything to point it at that making it to the top was ever in doubt.  Let's hope the deep snow continues!

Polaris 800 RMK Dyno Sheet

Polaris 700 RMK Turbo & Arctic Cat M8 Turbo Sheet

Thanks,
Donavon