mrsantafe
Zone Head
Posts: 521
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posted December 31, 2002 12:38 AM
k+n filters = less hp?
I was reading the new issue of motorcyclist. At any rate editor M boehm long term zx12r adds a kn filter and loses 3hp!! any thoughts or anyone else to confirm or deny the data? thanks in advance
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9.78@155.13 mph 1.71 60 ft @ a near mile high dragstrip
2006 ZX14 gone
2006 ZX10r (Wifes street bike)
2004 zx10r (her race bike)
2002 ZX12 (still kicking a--)
2007 gsxr 1k (race bike)
  
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Hells Dark Lord
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posted December 31, 2002 02:53 AM
Have heard that also, but none the less I will run them. The reusable filter to me is far more economic. And the better filtration in its self is reason enough to use them, or maybe even the BMC filters...just my opinion....JIm
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Y2KZX12R
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posted December 31, 2002 02:58 AM
 Edited By: Y2KZX12R on 31 Dec 2002 02:58
The only bike I've seen loose power from a K&N filter is the 98-up ZX9R
The 12r does not loose power from K&N's or BMC filters. I've seen a few HP gained across the board on too many 12r's for that to even be close to the truth.
Consider the source of your info. Those guys have no clue about anything.
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Hells Dark Lord
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posted December 31, 2002 03:04 AM
well I am glad to hear that Y2k, but I was running it regarless, I do it for the effects that it gives, filtrations, reusability, other than HP. I have to say, my 12 makes plenty enough HP for me. Can only use so much in the curves........Jim
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TurboBlew
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posted December 31, 2002 03:43 AM
Yeah Y2K has it right. Those mags are for "entertainment" value only. Kinda like the Enquirer or Globe.
I think they lost 3hp because they forgot to remove the plastic bags the K&Ns come in...lol 
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Hells Dark Lord
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posted December 31, 2002 03:48 AM
lmfao......
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rs
Expert Class
Posts: 137
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posted December 31, 2002 05:49 AM
The loss was probably due to all the extra filter oil that is on the K&N filters when new. I'd bet that if they checked after a couple hundred miles that the power would be up from the stock numbers.
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n da zone
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posted December 31, 2002 07:39 AM
right on, Turboblue!!! 
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MadMike
Moderator
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posted December 31, 2002 08:20 AM
That guy is High! I gained 4HP with Brand New Filters, probably 6 with it now.
Mad Mike
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entropy
Moderator
Posts: 8671
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posted December 31, 2002 08:34 AM
quote:
The loss was probably due to all the extra filter oil that is on the K&N filters when new. ..
I "clean" my K&N's, not a trace of oil in 'em
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wannabe
Pro
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posted December 31, 2002 09:03 AM
I remember Doug Meyer posting either here or one of the other ZX12 forums. He mentioned that he and the folks at Muzzy didn't get any HP gains with the K & N's, so they chucked theirs.
After reading that, mine are still in their box.
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zxlnt
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posted December 31, 2002 09:06 AM
Even if the filters did make any more ponies I would still have them just for their filtering properties..
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Megabyte
Pro
Posts: 1047
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posted December 31, 2002 09:35 AM
I had the shop do before and after dyno runs when they installed my BMC race filters. My bike gained 4hp w/the BMCs.
quote:
I was reading the new issue of motorcyclist. At any rate editor M boehm long term zx12r adds a kn filter and loses 3hp!! any thoughts or anyone else to confirm or deny the data? thanks in advance
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We First make our habits and then our habits make us.
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Y2KZX12R
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posted December 31, 2002 09:44 AM
Wannabe, I think Doug M. was refering to the zx-9. Its well known that the zx-9 likes the stockers. I never heard him say that about the zx12r.
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dougmeyer
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moderated
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posted December 31, 2002 10:27 AM
Right,
What I said about about the ZX-12 application was that the filters didn't show any gains, but that they are a good product for other reasons and that I personally run them.
Doug
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Hells Dark Lord
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posted December 31, 2002 10:44 AM
I thought I had seen you post that Doug....I run K&N in everything personally, my truck and all the bikes......
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RAC4IT
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Bergie
Posts: 3009
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posted December 31, 2002 07:22 PM
What a coincidence, I just put a set of used but excellent condition K&N filters (for ZX12) on ebay. If anyone is interested it's a no-reserve auction with a buy it now price of $44
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=35597&item=1876198244
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ZX12Girl
Pro
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posted December 31, 2002 07:46 PM
I had a 1-2 hp increase with the filters (Not bad for $40 bucks)...
The main reason that we bought them was for better filtration. Previously, there were a few guys that saw dirt / sand that made it thru the stock filters.
I think they are well worth it even if they had 0 hp gains!!
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wannabe
Pro
Posts: 1931
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posted December 31, 2002 10:13 PM
Thanks, folks. I must have misread DM's earlier post. I might just have to take those bad boys out of the box and install them this weekend.
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