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Thread: 426ex motor in a 350x!!!!

  1. 04-27-2011, 10:25 PM #1
    250r_doverdemon
    250r_doverdemon is offline At The Back Of The Pack Arm chair racerFirst time rider
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    426ex motor in a 350x!!!!

    just looking up on kijiji and found this 350x and the guy put a 400ex motor in it! looks tight but seems to run mint! anyone else done this? wouldnt be a bad swap if you had the motor and all

    http://montreal.kijiji.ca/c-cars-veh...dIdZ266515896#
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  2. 04-27-2011, 10:30 PM #2
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    Hurricane635
    Hurricane635 is offline First Time Rider Arm chair racerNew to the board
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    I kinda wonder what if he runs it with the oil tank like that.
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  3. 04-27-2011, 10:32 PM #3
    250r_doverdemon
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    yeah looks sketchy to me, would be nice with a custom aluminium oil res tho and as much as my cousins stock 400ex likes to wheelie i bet this front tire is never touching the ground
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  4. 04-28-2011, 12:28 AM #4
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    bugler30
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    bet that is a fun ride! lol I have a 400ex motor that is mostly complete, but there is nothing wrong with my 350 motor so no sense in tearing it up.
    mine: 85 Honda 350x

    http://www.Jeep4PlayOffroad.org
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  5. 04-28-2011, 11:34 AM #5
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    jrsqlc
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    so what is the gain??
    both oil cooled motors, 400ex has a res
    both roughly the same hp, 350x more torque
    400ex heavier and bulkier
    350x is 6 speed

    I really dont see the point unless he couldnt find a 350x motor. The 350x motor is way more buildable and reliable
    Plus my stock 350x is fast than my buddies hi comp and piped 400ex

    I personally think that 400ex looks like crap stuffed in like that, could have made it alot better looking, IMHO
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  6. 04-28-2011, 04:13 PM #6
    jeddy
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    The oil tank looks like a colostomy bag on there. That said, I bet it rips. The nice thing about a 400EX engine is that the head is much better and it's easy and cheap to make a big bore. I bet it's much faster than a similarly built 350X engine. The nice thing is that it is air cooled, so relatively simple. I would try and make the frame down tube the oil rezzy, or just get a piece of rectangular or square tubing that is close to the size of the downtube and attach it alongside...
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  7. 04-28-2011, 04:16 PM #7
    acidburn
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    Quote Originally Posted by jrsqlc View Post
    so what is the gain??
    both oil cooled motors, 400ex has a res
    both roughly the same hp, 350x more torque
    400ex heavier and bulkier
    350x is 6 speed

    I really dont see the point unless he couldnt find a 350x motor. The 350x motor is way more buildable and reliable
    Plus my stock 350x is fast than my buddies hi comp and piped 400ex

    I personally think that 400ex looks like crap stuffed in like that, could have made it alot better looking, IMHO
    more after market parts that are not or wont be disscontinued anytime soon?
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  8. 04-28-2011, 05:06 PM #8
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    jrsqlc
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    Quote Originally Posted by acidburn View Post
    more after market parts that are not or wont be disscontinued anytime soon?
    are you crazy??? do you really think wiseco, powroll, or mickey D are going out of business anytime soon??
    Anyone take reliability into effect? beacause i can tell you right now the 350x is A TON more reliable no matter what you do to it compaired to a 400ex.....rods, overheating, valves breaking.....need i go on??
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  9. 04-28-2011, 05:09 PM #9
    acidburn
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    Quote Originally Posted by jrsqlc View Post
    are you crazy??? do you really think wiseco, powroll, or mickey D are going out of business anytime soon??
    Anyone take reliability into effect? beacause i can tell you right now the 350x is A TON more reliable no matter what you do to it compaired to a 400ex.....rods, overheating, valves breaking.....need i go on??
    i can totaly agree with you on reliability with the 350x , they just dont make them as reliable as they did in the old days. now they want ever little thing to wear so quick you'll be spending money on parts.
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