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Boring out a 400ex
Topic Started: Jan 28 2010, 10:13 PM (390 Views)
400ex
Advanced Member
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I want to bore out my 2006 400ex but i cant decide between the 402, 407, and 416 kits from wiesco all in the 11:1 compresion and what is a good cam to run?
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BlackICE
Member
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Hot Cam Stage II if you are on a budget, go to the 416, imo.
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400ex
Advanced Member
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Ok i as wonderin if i ran the 11:1 if i would need to run race gas cause i like to trail ride and need to be able to run pump gas. what do you guys think of a 416 10:1 with the stage 2 hot cam
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Schultz
Advanced Member
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You sholud be able to run pump gas. Higher compression like 12:1 or 12.5:1 is when you want to start running race fuel.
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400ex
Advanced Member
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Ok will i lose any of the reliabilaty of the motor with them upgrades?

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