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Would a 400Ex head fit on my 300EX?

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Old Jun 25, 2001 | 09:16 PM
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Does anyone know if a 400ex head would fit on a 300? Would this give it more power? What parts of the powerband would be most noticable?
 
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Old Jun 25, 2001 | 10:27 PM
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Nope don't think it will.
 
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Old Jun 26, 2001 | 05:06 AM
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When I had my 300ex I wanted to put a 350X jug and head on it. Not positive, but by seeing both torn down I think you could do it. But just putting a head on your 300....NO.
 
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Old Jun 26, 2001 | 10:21 AM
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Yeah if you just put the 400ex head on it would just get maybe a little more flow and not much more power. But the 400ex cylinder and head would give lots more power and probably give the rod a little trouble.
 
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