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UNI Air filters

Started by FJools, December 10, 2014, 10:15:01 PM

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andyoutandabout

life without a bike is just life

FJools

Thanks for the diverse and informative responses guys.

The Jury is out !
Still thinking of something..................

Firehawk068

I have K&N filters in both my FJ (in the stock air-box), and in my '95 Firehawk........and I have never had any horrible issues with them........

I can tell you that the K&N filter that is in my Firehawk, is the one that was in the car when I bought it....(bought the car in '99, with around 50,000 miles on it)
I now have more miles on that car than most people have on all their vehicles combined..............(currently 273,000)
I don't clean it very often (K&N actually recommends this), but I do look at it everytime I open the hood (It sits right on top of the radiator support)
It always looks dirty, however they say the dirt particles that stick to the oiled filter media help to trap more dirt particles..................so I leave it alone....

The engine is not worn-out..................It doesn't smoke or burn excessive oil..............I've never even had a valve-cover off the engine the whole time i have owned it...........
For a stock LT-1, it still runs strong, and I'd be willing to bet it has just as much horsepower as when it was new................maybe even a few extra  :mocking:

The only thing that happens with these type of filters, is that some of the oil gets pulled off the filter, and gets ingested by the engine.......................Every once in a great while, I have had to clean the heater wires in my mass air flow sensor with a cotton swab, and some rubbing alcohol. The oil deposits on them, and leaves a film.........

I clean and re-oil the one in the FJ air-box once in a great while.(usually if I have to remove the airbox for some reason) Which is about once every 4 years or so........................Otherwise I leave it alone.

I am considering going with the UNI pods (only for the reasons that Noel stated) But I'm not sure if I want the extra intake noise?  :scratch_one-s_head:
I'll have to decide that one down the road some time...............
Alan H.
Denver, CO
'90 FJ1200

FJmonkey

For what its worth, when I cleaned out my UNI dual pods at the RPM shop during my last visit.... They were filthy, full of all kinds of dark dirt and grime. That covers about 6K miles of SoCal riding, not AZ sand and silt. So I know they filter, and I keep my off roading on the FJ to a minimum  :blush:, and I like the ease and access of not having an air box.
The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side

FJools

With the Uni Pods, what sort of jetting changes are you finding necessary ?

I also saw the Ram Air Pods on ebay..........
Still thinking of something..................

mz_rider

Interesting opinions. I've got K&N's uni filters in both my FJs. They seem to work ok. Both bikes have big mileages so I'm not going to change now. K&N recommend cleaning at 50,000 miles. This is far too much. I'm in Scotland and it's not dusty here but they needed cleaning at 15,000 miles. When I sprayed the filter with K&N cleaner and put them into water the dirt that came out was very fine - like smoke - so they must be stopping very small particles.

ribbert

Quote from: simi_ed on December 11, 2014, 11:13:44 AM

Noel, I must disagree with your statement above.  


Ed, I've just read your post several times over and from my reading of it, we are saying exactly the same thing. Nothing to disagree with.

Airborne contaminants wear your engine out.

The amount of that wear is relative to how good your filtration is.

Good filtering = minimal wear.
No filtering = lots of wear.

The only thing that could ever be disagreed about on this subject is what offers the best filtering.


Noel
"Tell a wise man something he doesn't know and he'll thank you, tell a fool something he doesn't know and he'll abuse you"

Bones

Quote from: FJools on December 11, 2014, 02:33:41 PM
With the Uni Pods, what sort of jetting changes are you finding necessary ?




None, I installed the ss screw/o ring kit in the carbs the same time as the filters so I had to retune the carbs anyway, but all the jets and needle heights are the same as before. Runs well with no flat spots and revs to redline strongly with that sweet induction sound.

93 fj1200
79 suzuki gt250x7


Too young to be old but old enough to know better.

FJ_Hooligan

Quote from: FJ1100mjk on December 11, 2014, 05:08:30 AM
One could surmise, that if a company sold such garbage it would have ceased to exist long ago. Either that, or the marketing and selling of its products is one of the biggest scams/swindles perpetrated on motoring enthusiasts and performance seekers for a long time running.

This is a great quote. 

First thing I thought of was Harley Davidson.  :-)
DavidR.

chiz

Bose and K&N are products that don't come close to equaling their advertising campaigns.
Chiz

FJ1100mjk

Quote from: chiz on December 11, 2014, 05:30:32 PM
Bose and K&N are products that don't come close to equaling their advertising campaigns.
Chiz

I feel the same way about this product...

https://www.pocketfisherman.com
Platinum Zircon-encrusted Gold Member

Iron Balls #00002175
www.ironballs.com


Charlie-brm

OP: I installed a UNI air box style filter this past spring. I can't speak to any changes in performance. For the cost of paper filters around here it made $ sense to go with the re-usable foam for that reason alone. It was a bit messy to get saturated and drained of excess filter oil before installation, but no headaches. I was all set to go with UNI pods because before this I had my carbs in and out so many times, someone said I should mount them with velcro. :)

Once I got the carbs dialed in, I have had no cause to remove them so I'm good with the air box setup.
If someone wants to see any images I refer to in posts, first check my gallery here. If no bueno, send me a PM. More than glad to share.
Current Model: 1990 FJ1200 3CV since 2020
Past Models: 1984 FJ1100 - 2012 to 2020
1979 XS750SF - 2005 to 2012

simi_ed

-- RKBA Regards,

Ed
===
Ed Thiele 
Simi Valley, CA -- I no longer have SoCal manners.
'89 FJ12C (Theft deterrent Silver/White)


- All that is necessary for the forces of evil to win in the world is for
enough good men to do nothing.

- Edmund Burke

The General

Quote from: Firehawk068 on December 11, 2014, 01:17:13 PM

I am considering going with the UNI pods (only for the reasons that Noel stated) But I'm not sure if I want the extra intake noise?  :scratch_one-s_head:
I'll have to decide that one down the road some time...............

I`ve got a set of the dual uni`s on a recooperating FJ, ready to go, but untested yet. I too had concerns re the extra intake noise.

A few weeks ago I found myself in a 100klmhr speed zone doing 80klm/hr on the side car, behind a large truck. I went to overtake but was concerned at the distance of vision and the familiar missile just behind and in the overtaking lane, giving me a right of way. (Does he realise how wide I am?) I chose to let him have his head and backed off. Summarising the situation of my giving way and the diminishing vision of bitumen, the rider and new owner of my previously stock FJ passed safely, with the throat well and truly open. I immediately knew something was different with both the language, and my old girl`s delivery of it. I knew then, I wanted what he was having with her! (Basted....she was an innocent sweet thing!  :cray: )

Now I can`t wait for my own Uni concert. 
`93 with downside up forks.
`78 XS11/1200 with a bit on the side.
Special edition Rocket Ship ZX14R Kwacka

Firehawk068

Quote from: The General on December 11, 2014, 08:56:36 PM
I immediately knew something was different with both the language, and my old girl`s delivery of it. I knew then, I wanted what he was having with her! (Basted....she was an innocent sweet thing!  :cray: )

Now I can`t wait for my own Uni concert. 

Ooooooohhhh.......................................You are tempting me......... :blush:
Alan H.
Denver, CO
'90 FJ1200