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  1. #1
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    Default No air cleaner how the f#$k!

    keep seeing bikes running with no air cleaner at all.
    what are some of yall's opinions on this?
    i know this is not new and has been done a lot. but isn't shit getting damaged by doing this?

    i dont know?
    fill me in... ha

  2. #2
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    I dont get it man, nor would I do it. Doing it for a long enough period will cause extra wear on the cylinder walls etc.

    The unfiltered velocity stacks do look cool.....just not on one of my bikes.

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    If it was a boat, I would say go for it...!!!!

    Being your going to be on the Street with Cars, Trucks and Buses that will be kicking up dust and dirt.... Nope not a good idea...

  4. #4

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    The guys that do that dont have clue. You couldnt do more harm, and frankly, it really doesnt look all that cool. Some guys will place a stack on a
    show bike that they wont actually ride, then put a filter on it when its time to jam

  5. #5
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    Yea, it looks cool, and on a straight out drag bike, where you are rebuilding the engine every thousand or so miles it is fine and gives you a little extra performance if set up right, but for longevity on the street it sucks. You get a bunch of dirt and shit in your engine.

  6. #6
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    yeah I'm seeing like shovels and some nice bikes thinking to myself you cant do that??
    shit i would be worried about the big shit? what happens if you suck a horse fly up?

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    Mechanics and machinists gotta eat too.

    We need as many people (self excepted) as possible to wear out top end parts to keep aftermarket production going.

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    Quote Originally Posted by farmall View Post
    Mechanics and machinists gotta eat too.

    We need as many people (self excepted) as possible to wear out top end parts to keep aftermarket production going.
    Good Point....^^^^

    Is it to late for me to make a retraction of my info...????

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    Quote Originally Posted by Dragstews View Post
    Good Point....^^^^

    Is it to late for me to make a retraction of my info...????
    X2.....hadnt thought of that angle.

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    Quote Originally Posted by farmall View Post
    Mechanics and machinists gotta eat too.
    To ad to that sentiment, so do tailors and doctors. Aside from the obvious dirt issue, I've been on more than a couple open-carb shakedown runs only to either kill the engine by accidentally geting my pant-leg caught up in there, or getting burnt from a backfire (ruined a pair of Carhartts that way. Amazing how willing you become to swat violently at your tender regions when fire is your only other option).

  11. #11
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    I know the "that aint right" circle jerk has already started but I figure someone should play devil's advocate. Japanese bikes (see all xs/cb/tt/xt/xr/sr/cl/ct/z) are extremely uhh.. forgiving. As long as you keep up with the valve train and don't let them run out of oil they will run, I say this from experience. Generally, Japanese bikes will take water, rust, and dirt as long as it's not in huge quantities and rarely need rebuilt. Again, this is as long as you keep them tuned in.

    I'm NOT saying that an open intake isn't bad. Accidentally ran an sr540 on a limestone half mile without oiling the filters and totally fucked everything up. It was like spraying a sandblaster down the intake at 8k.

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    I know a number of guys that have done 30,000+ miles with no air filters. They never had a single problem from inside with their motors, still running as strong as the day they threw their velocity stacks on. So I don't believe it's a bad thing full stop, depends where you ride and what the regular conditions are like. Running no filter defintely exposes more risk and so for some it'd be a no go, but there are guys out there that do the miles and never have a single drama.

    I've never had an issue with mine. I've recently stripped the motor in my softail after running no filter for around 10,000 miles, and honestly the bores and pistons were in excellent nick. No sign of extra wear. Each to their own

  13. #13
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    im liking where this is going. got both sides of the fence here.
    those that do run with no air cleaner does the bike want to die if a big gust of wind comes to the right side of the bike?
    and what do y'all do in the rain?
    too many benefits to having filtration for me, but hey if it works and you like it, thats all that matters... right?

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    ive never had any problems with big cross winds on the intake side, and there is a stretch of road I ride regularly that has heavy gusts on the intake side, though it's the hiway and I'm probably cutting through the gusts more then anything. As for the rain I ride as normal, I only pull over if it's trencheral rain. I don't think a VS would suck much more water in then an exposed filter. It's what I use to run and I've notoced no difference. A rain sock as you suggested would be a great idea though. I'm not saying it's better then having a filter, but food for thought for anyone interested

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    The internal combustion engine is a giant vacuum. In comes the grit-out go the cylinder walls.

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    Quote Originally Posted by 47str8leg View Post
    The internal combustion engine is a giant vacuum. In comes the grit-out go the cylinder walls.
    May I ask.....

    Is that your opinion or a fact....???

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    Quote Originally Posted by jryanfuct View Post
    and what do y'all do in the rain?
    If the engine is hot nothing happens. The water vaporizes and gets pumped out the exhaust. Nothing negative happens besides minor power loss.

    That's assuming you're not in a fucking hurricane or something... Putting more water in the intake than air will certainly fuck your day up.

  18. #18
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    would you guys say that the performance benefits for a everyday rider make it worth having no filtration? cause i'm not really seeing a point unless i'm going down the drag strip/looking cool(which does matter).

  19. #19
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    i don't get it. you look so sick and #raceshit with an open velocity stack on your choppers cool shovelhead


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    Quote Originally Posted by jryanfuct View Post
    would you guys say that the performance benefits for a everyday rider make it worth having no filtration?
    No. If I remember correctly, almost every stock motor will run better with a filter to build some intake pressure.

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