Where will that set up help you. Low end or top end, and If it's low end will you loose top end, stay the same, or increase. My MXZ tops out fast but it has a great hole shot stock. I'm Looking for better/same holeshot but higher top speeds if possible.
I have done this to a 600 and this set up is amazing!
If your sled is a 2001 then it will already have 293x ramps. Leave them in or change them to 296x ramps. Replace your primary spring with Part number 415019400. This is a green/white 250-380 spring. Dont get it confused with the green/white 200-380 spring that is the stock one. They both are green/white but are very different from each other.
Now get a bombardier 53-47 or just a 50 degree teflon coated helix and set the side pressure at approx 19-20 lbs.
With this set up the sled will engage between 4800 and 5000 rpm's and the holeshot is wickedly strong and top end is not lost at all. In fact, I have seen faster top end speeds with this set up.
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