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Hiclone and Hyperflow Air Filtration Hiclone and Hyperflow Air Filtration
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Equipping the Overland Vehicle Vehicle accessories - Making your home away from home comfortable, safe and reliable.
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  #1  
Old 19 Jun 2008
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Hiclone and Hyperflow Air Filtration
Has anyone had any experience with these products?How do they compare to a K&N filter?
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  #2  
Old 19 Jun 2008
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Just seen the 2006 thread!!!!!!!!!!!!!!!
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  #3  
Old 19 Jun 2008
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To be honest I really shy away from the whole idea of induction "improvement" type ideas on off-road/traveling vehicles. I have a friend who is the best mechanic (from 125 bikes to CAT V16 Diesels) I have ever met and to say he is uptight about air filters is an understatement... and he is 100% correct. K&N or other free flowing filters are not a good idea on vehicles or engines that are to be used in arduous conditions. If anything you would want to increase filtration and not decrease it. He reckons leaving the induction system exactly as the manufacturer designed it - the obvious exception is a raised air intake. The air filter is the most important filter on the vehicle.
Gil
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Old 9 Jul 2008
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I beleve the hiclone system is not meant for filtration. if you read the website Hiclone Technical Information || Hiclone Pty Ltd Australia it is meant to increase the airflow in your intake manifold but I doubt this wil give you a lot of extra power.

If you are looking for extra pre-filtration look at the fleetguard cy-clone (or similar models by others) it works a bit like a normal cyclone pre-filter but better because the dirt is forced out.

regards,

Henk Jan
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  #5  
Old 10 Jul 2008
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Hi y'all. I can't be bothered to read the Hiclone website, but just to let you all know it creates extra cyclone in the intake.
As the air goes through the intake it then goes straight through the valves and into the combustion chamber. Most diesel engines have neat shaped piston crowns to make the air swirl, the swirl gives a much better and more even flame when the diesel is injected in. The Hiclone is a sort of cylindrical fin thing that makes the air swirl around much more before it gets to the valves, then in theory when the air hits the crown of the piston and swirls, it is already swirling so the swirl effect is increased, in theory giving a smoother and even more even explosion.
I have not heard anything negative about them, but I personally don't think they are worth the money.

But, either way, it is nothing to do with filtration.

Cheers,
Matt
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  #6  
Old 11 Jul 2008
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When I looked inside the pipework on our 'new' landy I found a previous owner had fitted hyclones - I wouldn't have know otherwise - much less power on the new 300TDi compared to my old Disco 200TDi engine in the ancient 110... Well, until the injectror pump was turned up anyhow - that's the thing which really transformed the motor, and it's still clean burning and the same fuel consumption!

I wouldn't bother to fit a Hyclone - I'd rather fir stuff which has a real function rather than magic bits of bent tin!

I have fitted a K&N air filter, but it's an oiled one - I got it to catch more dust in the oil rather than for performance (which again is unchanged...)
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