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 colin
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| posted on December 29th, 2012 at 07:49 PM |
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High Flow Air Filters
Does anybody have any thoughts or suggestions on high flow air filters.
I currently have 48ida,s with uni filter socks but no oil in them.
Looking to get something like a mesh top to keep large objects like small pebbles etc out but don,t want to restrict flow.
I could rig up some flyscreen but want something neat in keeping with the car.
looked at the Jaycee product, nice and neat but to restrictive.
I could run no filters but am worried about small stones when i return to the pit area with sticky hot tyres.
Got any suggestions?
Cheers Col
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dangerous
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| posted on December 29th, 2012 at 07:54 PM |
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I used K&Ns on mine and lost nothing.
| Quote: | Originally
posted by westi
That's mad Alan.
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bugzla
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| posted on December 29th, 2012 at 08:22 PM |
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drift products make a fine mesh filter in a few different pod sizes
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Dak-A-Tak
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| posted on December 29th, 2012 at 10:08 PM |
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Check out latest HotVws story there . You may change your mind on Jaycee .
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hellbugged
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| posted on December 29th, 2012 at 10:39 PM |
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...bout time, UNI filters are gay 
Buy once, cry once.
http://www.thesamba.com/vw/classifieds/detail.php?id=675767
http://www.thesamba.com/vw/classifieds/detail.php?id=634315
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SuperOwen
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| posted on December 30th, 2012 at 04:36 AM |
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My german isn't too good so I don't know if these would work with your motor, but im sure you could fab something decent up.
http://www.gwd-weiser.de/?page_id=343
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 Bizarre
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| posted on December 30th, 2012 at 08:09 AM |
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Use Google Chrome and it translates for you
Futue te ipsum!!!
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colin
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| posted on December 30th, 2012 at 11:02 AM |
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Thanks for the replys,
checked out all the suggestions and didn,t find anything that i reckon is suitable.
I have the latest edition of HotVW Mag, the Jaycee product is good but loses to much hp, up to 8.
Thats alot i think when you consider the effort, r&d and money to find 8, especially in an under 2 litre engine.
I wonder if you could strip out the inners of the Jaycee product to leave only the coarse mesh?.
Thanks again for your help.
Cheers Col
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| posted on December 30th, 2012 at 11:21 AM |
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ANYTHING that upsets the smooth flow of air into those 48 IDAs will mean less power.
I'd rather wear a Beetle out by racing it than by polishing it!
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dangerous
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| posted on December 30th, 2012 at 11:22 AM |
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The mesh is the problem Colin.
I did some flow tests many years ago, and mesh is not your friend.
Try and make some K&Ns fit if you can. They have a lot of surface area.
| Quote: | Originally
posted by westi
That's mad Alan.
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colin
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| posted on December 30th, 2012 at 02:40 PM |
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| Quote: | Originally
posted by dangerous
The mesh is the problem Colin.
I did some flow tests many years ago, and mesh is not your friend.
Try and make some K&Ns fit if you can. They have a lot of surface area.
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Thanks Dave,
I might have a rethink about everything, at some events i might be able to get away without any filters.
Cheers Col
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BeetleJuice
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| posted on December 31st, 2012 at 07:38 AM |
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How much HP is lost with Uni Filters?
FringeDweller
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matberry
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| posted on December 31st, 2012 at 08:04 AM |
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| Quote: | Originally
posted by colin
I might have a rethink about everything, at some events i might be able to get away without any filters.
Cheers Col
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Yep, I've been running no filters on my street car for a year or two and it's surprising how clean a sealed A/C Volksie engine bay stays
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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55slug
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| posted on December 31st, 2012 at 10:57 AM |
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I have a set of stacks and K and N filters that were modified by Art Thraen in the US to fit under a closed decklid. Not sure on flow, I used them and
didnt notice any difference from open stacks - not dyno tested though.
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colin
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| posted on December 31st, 2012 at 03:02 PM |
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| Quote: | Originally
posted by BeetleJuice
How much HP is lost with Uni Filters?
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Lost 4rwhp on back to back dyno tests.
I know some may say shit only 4, but last year i was beaten at Cooperabung by 7/1000ths of a second.
Our class is super competitive and very close racing with usually only tenths of seconds seperating the cars.
The closnees of the racing makes it so much fun.
Cheers Col
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Dak-A-Tak
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| posted on December 31st, 2012 at 06:42 PM |
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Personly , your put any thing on top of carbs you will restrick carbs . But mid range is very little on BBR filters or Jaycee style . Thats what your
type of racing needs , very little torque loss . (4%) loss up top my affect
a little engine but a good torque motor or big cube engine your will never feel it or see it .
I would build a air box ( like usa prostock drag vw ) then screen or filter air away from carbs .
Sorry about spelling .
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dragvw2180
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| posted on December 31st, 2012 at 11:12 PM |
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If you are racing " heads up' I can understand being concered about a few HP, but if I was bracket racing I would definately have filters of some
kind. On my Ghia I ran tall K&N air filters because I once found a rock sitting between my main jets on my 48 Dellorto carbs , I thought about
how much damage that rock could have done. Mike McCarthy
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HappyDaze
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| posted on January 1st, 2013 at 07:45 AM |
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Air filters are certainly worth having, providing they don't interfere too much with air flow around the air horns. Keep as much gap as possible
between the air horns and filter, even if it means shorter air horns [only use Weber ones].
I'd rather wear a Beetle out by racing it than by polishing it!
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Craig Torrens
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| posted on January 1st, 2013 at 09:19 AM |
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| Quote: | Originally
posted by matberry
| Quote: | Originally
posted by colin
I might have a rethink about everything, at some events i might be able to get away without any filters.
Cheers Col
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Yep, I've been running no filters on my street car for a year or two and it's surprising how clean a sealed A/C Volksie engine bay stays
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Wow you believe oil filters are a "must have", yet you don't run air cleaners.........doesn't make sense to me 
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matberry
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| posted on January 1st, 2013 at 09:45 AM |
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^^ fair comment Craig, but lets analyse things if we must..... dusty air will wear the rings and bore, amd really it's in and out and essentially top
end only, whereas crappy oil will continuously circulate within a closed system and wear/kill rod bearings, main bearings and wear the crankshaft
journals too. If bearings fail, usually catastrophic component failure will be closely following. I know what I'd prefer to fix. Also for
consideration is IDA's on tall manifolds can't fit filters with a closed decklid so with my small fan cooling I wanted to keep the lid shut, also my
engine is shagged already so some dust isn't really going to make much difference.
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OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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Sides
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| posted on January 1st, 2013 at 05:16 PM |
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Hey Col, have you thought about just running the usual K&N style filters ???
Other thing I've heard from some of the mini guys is to have the air intake come from inside the cabin... in their case behind the dash, but in a
Volksy would obviously be from around parcel tray.
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colin
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| posted on January 1st, 2013 at 06:58 PM |
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| Quote: | Originally
posted by Sides
Hey Col, have you thought about just running the usual K&N style filters ???
Other thing I've heard from some of the mini guys is to have the air intake come from inside the cabin... in their case behind the dash, but in a
Volksy would obviously be from around parcel tray.
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I,m pretty sure a scrutineer would not like the idea of the cabin of the car being exposed to the engine bay through the carbs.
But thanks for your effort and idea,s.
When are you going to have a race at a NSW Hillclimb Round.
Bathurst would be a goodie, it,s a long tow for you but it,s 2 rounds in 1 weekend at the best circuit in the world.
Cheers Col
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Sides
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| posted on January 2nd, 2013 at 12:36 PM |
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Yeah - good point about the scrutineering Col... guess must be the mini guys don't let on !!!
Hoping to get down to do Grafton in June - it's the weekend after Queensland Champs, so turn it into a holiday by taking the week off between I
think. Kempsey unfortunately have a date clash, but Bathurst could be a good idea... love to run there, and long tow's don't mean a thing with a
company car !!!
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Join a car club - get car peeps
My toys
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BiX
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| posted on January 2nd, 2013 at 02:24 PM |
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Mesh is a killer, the amount of open space between the wires is very small. Thats why the K&N works so well. When you fold out the filter, there
is actually allot of area.
A airbox would probably be the best option. With a large filter element before hand. It would allow the air to enter the box and then stabilise before
flowing into the intake stack. Allowing the air to slow in the box, would allow laminar flow over the lips of the stacks and reduce losses.
I think RACE magazine (great magazine for weekend racers) did a article on air boxes and velocity stacks, working out the volumre required and shaping
etc in 2009? Will try and find it once I sort out the house and where everything ended up.
I have no sympathy for my car, only the wallet that pays for it!
Go hard or go home!!!!
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dangerous
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| posted on January 12th, 2013 at 09:50 PM |
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This is what I have done for Warwick.
I found a rock inside my engine after the last run.
Was very lucky. It barely marked the piston and head, but another second of running would have been tears.
| Quote: | Originally
posted by westi
That's mad Alan.
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LIFE IN THE LOW LANE
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| posted on January 13th, 2013 at 03:15 PM |
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K and N panel filter from what car? Looks like a similar size the one I used in my civic I had a few years ago.
[size=4] ACCEPT THAT SOME DAYS YOU ARE THE PIDGEON AND SOME DAYS YOU ARE THE STATUE[/size]
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modnrod
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| posted on January 13th, 2013 at 03:33 PM |
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A360 for Commodes are cheap as crap, and the airboxes flow very well too, might be worth considering.
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66deluxe
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| posted on April 28th, 2013 at 11:07 AM |
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| Quote: | Originally
posted by LIFE IN THE LOW LANE
K and N panel filter from what car? Looks like a similar size the one I used in my civic I had a few years ago.
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You owned a honda civic? You do realize you just let your gayness out of the closet.
This is my Volkswagen, there are many like it, but this one is mine. Without me my Volkswagen is useless, without my Volkswagen, I am useless.
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hellbugged
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| posted on April 28th, 2013 at 11:11 AM |
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thought the same Damo
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LIFE IN THE LOW LANE
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| posted on April 28th, 2013 at 07:56 PM |
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I have owned many honda's and not ashamed of it. Best of the jap cars by a long shot. Most of them have been 60's and 70's models.
[size=4] ACCEPT THAT SOME DAYS YOU ARE THE PIDGEON AND SOME DAYS YOU ARE THE STATUE[/size]
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