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Ya know.. Dynos can be made to produce ANY HP figure you want (high or low) I have had numerous Dyno shops PURPOSELY make their dyno produce a low output number for various reasons... In any case.. All I can tell you FOR SURE... is that the 860 we build will HANDIDLY outperform a stock sled ...

Since we 1st developed this engine in 2006 (Dec), we have been constantly making changes and have found some real substantial gains every season (this season especially) I do not want to get into HP number because it always starts a pissing contest.. But you can watch the videos and see the...

Here are just a few vids..of some 860's There are plenty more on my youtube site.. feel free to check them out.. Amazing how VERY steep hills show up as almost bumps when put to video... YouTube - 1-22-2011 RKT REV 860R 151 vs. Stock 2009 XP 163.avi 860 Vs. stock (great running XP) Not sure...

Your cylinders look fine... All you need is some new pistons and the head fixed.. This will not cost you too much Feel free to call me if you want to discuss a few options. Kelsey

The controller needed or not needed question is one that there is not a 100% definite answer to.. The fuel rail pressure is the big cheese in determining wheter it requires a fuel controller or not.. so, the idea that ALL the sleds have the same fuel rail pressure is simply not true.. I wrote...

Actually glengine has the spring's ear inthe the wrong hole. It stillworks fine there. but it changes the pre-load settings.. The Upper spring ear should be inthe the OTHER hole to the left ,next to the adjustment tool's "non through" hole.. As for the other issues.. not sure.. It almost sounds...

Let me know when you want to do this.. I'll pay for your trip down here and we will run for pinks... You got nothing to lose but your sled and some ego.. You offered.. I am responding... Let's do this. and do it quick.. You know how to reach me.. make it happen .. talk is cheap and you do...

Very simple.. Especially if you have an aftermarket front end.. 1) Switch the right and left upper shock mount bracket. You will also need to invert them for the switch.. This gives you tons of clearance. Kelsey

No problem on the offense... It is just that things are not always as they apper.. I mean all pizza's look alike but they certaily taste different.. In any case.. Yes, the kits are quite different due to the helix.. Will it fix your problem.. It should, it fixes all our issues.. Kelsey

With all due respect.. These kits are not even similiar... I FIX the helix issue (we find problems with the helix design), the kit you are referencing, you do not FIX the helix problem. You only switch to a torsion spring.. Just because ANY kit uses a torsion spring does not make it the same...

Stock clutcing does not allow for very high shift ratios.. It will run and pull its rpms but it will not accelerate up the hills.. just tractor around.. Not much fun to tractor around.. The fact is that the secondary on the M sleds does not function correctly.

The stock clutching is very poor IMHO.. The spring is much too stiff and limits upshift. Most do not realize how poor the stock clutching is until you ride one that is set-up correctly.. The main problem is that the "function" of the secondary has limits. It is a design flaw. We have a proven...