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  1. MXZX Race Sleds
    Hi, I was running my '03 MXZX 440 today and at WOT it was maxing out at about 50mph. I changed the pugs, and it ran great for about 30 seconds, snappy, fast topping speeds of 68mph, but then would slow down again and could only go 50mph tops. Everytime i stopped the sled, and then restarted it...
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