Modifications - Performance Discuss aftermarket and DIY performance modifications

SOOO went to replace air filter and.....

Thread Tools
 
Search this Thread
 
Old 11-22-2011, 01:30 PM
  #31  
MandownMertech
Superstock
Thread Starter
 
mertechperformance's Avatar
 
Join Date: Sep 2011
Location: Sacramento / NorcaL
Posts: 289
mertechperformance is on a distinguished road
so from this info i should order a bmc street and try to sell/bin the K&N and sell the oem?
mertechperformance is offline  
Old 11-22-2011, 01:50 PM
  #32  
Out of my mind, back in 5
MotoGP
 
Tweety's Avatar
 
Join Date: Nov 2006
Location: Skurup, Sweden
Posts: 6,109
Tweety is on a distinguished road
The BMC gives you the ability to clean and reuse the filter, same as the K&N...

And the Street is just that, a filter for a street use bike, not a race bike... Draw the rest of the consclusion yourself...
Tweety is offline  
Old 11-22-2011, 02:01 PM
  #33  
Out of my mind, back in 5
MotoGP
 
Tweety's Avatar
 
Join Date: Nov 2006
Location: Skurup, Sweden
Posts: 6,109
Tweety is on a distinguished road
Originally Posted by Thumper
Nope, I care not to share info with non-believers. I have mine tuned near perfect on Dyno (1 time to verify I might add) and to be honest I am not wasting my time digging up settings from 6 or 7 years ago. The bike runs perfect with K&N, no smog stuff, block-offs, pipes, jet kit and ignition adv.

Some owners just need to buy an FI bike.
Thumper, since you made that post in reply to mine... I guess you are the one buying an FI bike then... ?

Since you say your bike is running perfect, with one tune on the dyno to verify it... Well, then perfect in comparasion to what?

How do you compare one dynosheet to nothing? Ohhh looky, I gained here, and lost here, compared too, oh right, nothing...

Yeah, it's running "perfect" as in not missing, not backfiring, not hard to start or whatever common problems bad setup can cause... But is it perfect as in the best it can be? Well, with one set of data compared to nothing, or perhaps "stock", I don't even have to call it bullshit, you proved it yourself...

I'm not even going to claim I'm a better tuner than you, which you are infact implying you are... I can set things up decent, not perfect... If you can, start charging people money ASAP, since you are the only one in the world as far as I know...

Unless you are prepared to back up a claim of "perfect", it's pretty much useless... Just saying...
Tweety is offline  
Old 11-22-2011, 02:01 PM
  #34  
Junior Member
Squid
 
stormingjoe's Avatar
 
Join Date: May 2009
Posts: 15
stormingjoe is on a distinguished road
Cat among your pidgeons, fitted within the depths of my stomping storm is........... wait for it.............. a.............K&N. Not been dyno'ed but runs OK, better than when I purchased the bike, rejetted with 50# slow 11/2 turn out on screw, washer under needles and 185/190 mains and blocked off one of the holes in the front slide, runs great till about 8.750 on the rev-ometer then tails off, this will paw air in 3rd if you sit back and wheelies like a wheely thing in 1st/2nd solid stomp from idle! Purrrr
stormingjoe is offline  
Old 11-22-2011, 02:08 PM
  #35  
Out of my mind, back in 5
MotoGP
 
Tweety's Avatar
 
Join Date: Nov 2006
Location: Skurup, Sweden
Posts: 6,109
Tweety is on a distinguished road
Oh, BTW Thumper... I never said you where wrong on anything... Your opinion is your opinon...

My initial reply was in response to when you claimed noboy spent the time to get the K&N right... I spent time on my bike, and couple of more bikes... Trying setup, after setup, after setup... Comparing a fresh OEM to the K&N in the same bike... And I still opted for the OEM in the end... But I guess I'm not as good at setting up carbs as you are... I mean you get it right the first time, and that's it... Perfect...
Tweety is offline  
Old 11-22-2011, 02:12 PM
  #36  
Junior Member
Squid
 
stormingjoe's Avatar
 
Join Date: May 2009
Posts: 15
stormingjoe is on a distinguished road
Got some Dr Hondas' finest waiting to be plopped in.
stormingjoe is offline  
Old 11-22-2011, 02:31 PM
  #37  
Banned
MotoGP
 
8541Hawk's Avatar
 
Join Date: Aug 2007
Location: Lake View Terrace, CA
Posts: 5,942
8541Hawk will become famous soon enough
Originally Posted by stormingjoe
Cat among your pidgeons, fitted within the depths of my stomping storm is........... wait for it.............. a.............K&N. Not been dyno'ed but runs OK, better than when I purchased the bike, rejetted with 50# slow 11/2 turn out on screw, washer under needles and 185/190 mains and blocked off one of the holes in the front slide, runs great till about 8.750 on the rev-ometer then tails off, this will paw air in 3rd if you sit back and wheelies like a wheely thing in 1st/2nd solid stomp from idle! Purrrr
Well all I can say is that you are taking the advice to plug a lift hole from....wait for it.... someone who thinks a K&N filter is worthless....

So that would mean that they didn't take the time or just can't tune a SH so why would you listen to such silly advice from that person??

Or maybe I should have just kept that information to myself......
8541Hawk is offline  
Old 11-22-2011, 06:31 PM
  #38  
Senior Member
SuperBike
 
Thumper's Avatar
 
Join Date: Jul 2004
Posts: 1,015
Thumper is an unknown quantity at this point
Originally Posted by Tweety
Thumper, since you made that post in reply to mine... I guess you are the one buying an FI bike then... ?
Wrong you would be, six bikes - five carb'ed 1 not

2 singles - carbed
2 v-twins carbed
1 4 banger carbed


and one lil-v-twin Fi that is the misses and yes it has a non-stock air filter with a PC

Last edited by Thumper; 11-22-2011 at 07:02 PM.
Thumper is offline  
Old 11-22-2011, 06:40 PM
  #39  
Senior Member
SuperBike
 
Thumper's Avatar
 
Join Date: Jul 2004
Posts: 1,015
Thumper is an unknown quantity at this point
Originally Posted by 8541Hawk
So unless you can actually post some real information, not just claims of correct running.
Originally Posted by Tweety
I'm not even going to claim I'm a better tuner than you, which you are infact implying you are... I can set things up decent, not perfect...

Unless you are prepared to back up a claim of "perfect", it's pretty much useless... Just saying...
I like how you guys can blast K&N filters and have yet to post up any real information that backs your statements either. No different than my opion without real information is it.

I wasn't out to battle with you three (8541Hawk, Tweety, Killer5280), your opinions are yours and i respect those, but hey mine is an opinion as well. You assume that others have not had better success at tuning a bike than you, because maybe you weren't satisfied with your outcome, so no one else could possibly be satisfied with a K&N installed either.
i guess we will just have to disagree on this one.

Last edited by Thumper; 11-22-2011 at 07:00 PM.
Thumper is offline  
Old 11-22-2011, 07:07 PM
  #40  
Banned
MotoGP
 
8541Hawk's Avatar
 
Join Date: Aug 2007
Location: Lake View Terrace, CA
Posts: 5,942
8541Hawk will become famous soon enough
Originally Posted by Thumper
I like how you guys can blast K&N filters and have yet to posted up any real information that backs your statements either. No different than my opion without real information is it.
A bit different as I have an either thread which explains how and why I set up carbs the way I do.

None of this mine runs great but I'm not going to tell you how I did it nonsense.

Then I guess I shouldn't have been offended but the comment on not taking the time to jet it properly for a K&N but I am only human.

I spent 2 years messing with one and it never worked worth a ****.

So yes it is an opinion and no I don't have a stack of dyno charts.

All I can say is, that if you have the magic formula to make a K&N work on this bike, why hide the information?
8541Hawk is offline  
Old 11-22-2011, 07:17 PM
  #41  
Senior Member
SuperBike
 
Thumper's Avatar
 
Join Date: Jul 2004
Posts: 1,015
Thumper is an unknown quantity at this point
Originally Posted by 8541Hawk
All I can say is, that if you have the magic formula to make a K&N work on this bike, why hide the information?
To be honest with you, i posted all this stuff years ago on RLZ, so yes i did share info with fellow SuperChicken owners, but in a house move lost all my notes (yea go ahead and comment on that one to). Needless to say, I am not going back into the bike just to record settings so I can re-post on this forum.

I do run different emulsion tube configuration than stock, I do run the FP TI needles 4th notch, i do have 48 pilots.
Thumper is offline  
Old 11-22-2011, 07:19 PM
  #42  
Banned
MotoGP
 
8541Hawk's Avatar
 
Join Date: Aug 2007
Location: Lake View Terrace, CA
Posts: 5,942
8541Hawk will become famous soon enough
Originally Posted by Thumper
I like how you guys can blast K&N filters and have yet to post up any real information that backs your statements either. No different than my opion without real information is it.
Also just an FYI as to why I can't post "positive proof" is the simple fact that I can't get either Dan Kyle (who was the engine builder for Erion Racing aka Honda USA) in the late 90's (when the VTR1000f was a race bike test bed) or the "unnamed" Moriwaki tech to post here.

It is just not worth their time, sorry.
8541Hawk is offline  
Old 11-22-2011, 07:22 PM
  #43  
Senior Member
SuperBike
 
Thumper's Avatar
 
Join Date: Jul 2004
Posts: 1,015
Thumper is an unknown quantity at this point
Originally Posted by 8541Hawk
Also just an FYI as to why I can't post "positive proof" is the simple fact that I can't get either Dan Kyle (who was the engine builder for Erion Racing aka Honda USA) in the late 90's (when the VTR1000f was a race bike test bed) or the "unnamed" Moriwaki tech to post here.

It is just not worth their time, sorry.
That's kewl and i undestand that. But were those bike not heavily modified race bikes, best i recall. Would not compare to stock engine and configuration bike would it? Just sayin

Last edited by Thumper; 11-22-2011 at 07:34 PM.
Thumper is offline  
Old 11-22-2011, 08:15 PM
  #44  
MandownMertech
Superstock
Thread Starter
 
mertechperformance's Avatar
 
Join Date: Sep 2011
Location: Sacramento / NorcaL
Posts: 289
mertechperformance is on a distinguished road
It wouldn't BUT, I would VENTURE to say K&N would probably do best with their race bike setups than a street setup. (not saying eitehr is right or wrong, or that race can't run stock or street cant run k&n)
mertechperformance is offline  
Old 11-22-2011, 08:16 PM
  #45  
Senior Member
SuperBike
 
autoteach's Avatar
 
Join Date: Mar 2007
Location: Belgium, WI
Posts: 1,611
autoteach is on a distinguished road
Originally Posted by Thumper
That's kewl and i undestand that. But were those bike not heavily modified race bikes, best i recall. Would not compare to stock engine and configuration bike would it? Just sayin
Which is why their recommendations to run the stock filter are quite significant.
autoteach is offline  
Old 11-22-2011, 08:46 PM
  #46  
Banned
MotoGP
 
8541Hawk's Avatar
 
Join Date: Aug 2007
Location: Lake View Terrace, CA
Posts: 5,942
8541Hawk will become famous soon enough
Originally Posted by Thumper
That's kewl and i undestand that. But were those bike not heavily modified race bikes, best i recall. Would not compare to stock engine and configuration bike would it? Just sayin
Well they were tested in multiple configurations. The "true" race bikes generally ran no air filter and ram air..... (yes I have a carb set up for that application also)

But like all good testing, first they started with a stock engine to see how much they could get out of it for a "base line" so they did have a bit of time on the dyno. How can you know if the engine mods you are making are correct or useful without knowing what it can do in the stock configuration.

Then with different "stages" of modifications to see what they could get out of it.

So basically they raced with 2 configurations. One with no filter at all and the other was with the stock filter.

Not saying that the bike can't be made to run well with a K&N. Just, in my experience, I could never get it to work correctly and when I asked for help and consensus between the sources that I had\have all said the same thing..... ditch the K&N.

So that is why I asked about your settings.....
8541Hawk is offline  
Old 11-22-2011, 09:06 PM
  #47  
Senior Member
SuperBike
 
Thumper's Avatar
 
Join Date: Jul 2004
Posts: 1,015
Thumper is an unknown quantity at this point
Originally Posted by 8541Hawk
So that is why I asked about your settings.....
See we can discuss things without all the crap. I will see if i can dig up the settings if i have them somewhere. I just am not going to take the carbs off to get main jet sizes, to much work and i would rather tinker with my other bikes.

Would like to see some Dyno runs graphs of both stock and K&N filters runs if Tweety has them for comparison. He may not, but as he had so many runs i would hope he has those to share.

There are lots of other things to consider as well, altitude, humidity, temp, type of gas and so on. No two bikes even configured the same are going to run the same.
Thumper is offline  
Old 11-22-2011, 09:54 PM
  #48  
Connie Demico does toad?
Superstock
 
GlockPointer's Avatar
 
Join Date: Oct 2011
Location: Lakeway
Posts: 383
GlockPointer is on a distinguished road
F**k it, I'm jumping in. My '03(apparently the fast one) has the k/n, mystery cans and who knows jetting. Has a minor flat spot off idle but other than that runs "fine". i get the feeling it runs rich tho and could be smoother.

My only real question is, if I pony up for a stock filter, could I expect to retune for it, or might it just cap off the tuning nicely. Is it worth it to try the stock filter @ 40$.
GlockPointer is offline  
Old 11-23-2011, 10:25 AM
  #49  
Senior Member
Back Marker
 
Tormoz's Avatar
 
Join Date: Jun 2011
Location: Saint Paul, MN
Posts: 231
Tormoz is on a distinguished road
Back into the K&N fray. In another thread I mentioned that my 98 came with a K&N when I bought it this past summer, and AFAIK it runs fine. But of course I've never compared it to how it would run with a stock air filter.

When I bought it, the previous owner included a dyno printout from the year 2000. He had it tuned for the K&N and Yoshimura pipes -- no other engine-related mods. Here is what is written verbatim:

DYNORUN.015 '98 VTR 1000, yosh pipe, 13,734 miles.
182/188 mains changed to 188/192, needle up to 4.0 groove (from 3.5), tune-up completed.

The max torque and power are virtually identical from the before and after jetting changes:
DYNORUN.003 Max Power = 105.6 hp, Max Torque = 70.3 (before jetting changes)
DYNORUN.015 Max Power = 106.1 hp, Max Torque = 70.1 (after jetting changes).

So, as you can see, max torque and hp remained virtually identical.

However, before the jetting changes, there was a massive dip in torque from about 3800 to 4200 rpm: from about 52 ft lbs down to 33 (!) at 4000, before climing back to about 48 ft lbs at 4200. Then another drop in torque at about 4400 rpm down to 40 ft lbs before quickly climbing up to 62 or so at 5000 rpm.

After the jetting changes, the torque "curve" is much more linear in that same 3500 - 5000 rpm range: close to 60 ft lbs at 3500, and up to about 63 ft lbs at 5000 rpm. There is still a slight torque drop at about 4100 rpm from 60 to 56 (more or less). At 4500, it's back to 60 ft lbs.

All this may be moot to this discussion because as far as I can tell, the K&N filter already was in place. But, it still shows (I think) that a Superhawk can be tuned properly with a K&N -- I'm just glad I didn't have to do it myself!
Tormoz is offline  
Old 11-23-2011, 10:52 AM
  #50  
Banned
MotoGP
 
8541Hawk's Avatar
 
Join Date: Aug 2007
Location: Lake View Terrace, CA
Posts: 5,942
8541Hawk will become famous soon enough
Originally Posted by Tormoz
Back into the K&N fray. In another thread I mentioned that my 98 came with a K&N when I bought it this past summer, and AFAIK it runs fine. But of course I've never compared it to how it would run with a stock air filter.

When I bought it, the previous owner included a dyno printout from the year 2000. He had it tuned for the K&N and Yoshimura pipes -- no other engine-related mods. Here is what is written verbatim:

DYNORUN.015 '98 VTR 1000, yosh pipe, 13,734 miles.
182/188 mains changed to 188/192, needle up to 4.0 groove (from 3.5), tune-up completed.

The max torque and power are virtually identical from the before and after jetting changes:
DYNORUN.003 Max Power = 105.6 hp, Max Torque = 70.3 (before jetting changes)
DYNORUN.015 Max Power = 106.1 hp, Max Torque = 70.1 (after jetting changes).

So, as you can see, max torque and hp remained virtually identical.

However, before the jetting changes, there was a massive dip in torque from about 3800 to 4200 rpm: from about 52 ft lbs down to 33 (!) at 4000, before climing back to about 48 ft lbs at 4200. Then another drop in torque at about 4400 rpm down to 40 ft lbs before quickly climbing up to 62 or so at 5000 rpm.

After the jetting changes, the torque "curve" is much more linear in that same 3500 - 5000 rpm range: close to 60 ft lbs at 3500, and up to about 63 ft lbs at 5000 rpm. There is still a slight torque drop at about 4100 rpm from 60 to 56 (more or less). At 4500, it's back to 60 ft lbs.

All this may be moot to this discussion because as far as I can tell, the K&N filter already was in place. But, it still shows (I think) that a Superhawk can be tuned properly with a K&N -- I'm just glad I didn't have to do it myself!
Well that is kind of the whole point of this discussion. There should be no drops or dips in the torque curve.

You can archive this with an OEM filter though you might loose a couple of HP on the top end compared to the K&N set up.

Which also leads back to one person's "it runs great" could be "it runs like crap" to someone else.

If you "feel" a power hit, then the bike is not tuned correctly. It should just pull from 3K (or lower) all the way to the 10.3K limiter. No power "hits" just a smooth, constant build up of power.
8541Hawk is offline  
Old 11-23-2011, 11:20 AM
  #51  
Senior Member
Back Marker
 
Tormoz's Avatar
 
Join Date: Jun 2011
Location: Saint Paul, MN
Posts: 231
Tormoz is on a distinguished road
Originally Posted by 8541Hawk
Well that is kind of the whole point of this discussion. There should be no drops or dips in the torque curve.

You can archive this with an OEM filter though you might loose a couple of HP on the top end compared to the K&N set up.

Which also leads back to one person's "it runs great" could be "it runs like crap" to someone else.

If you "feel" a power hit, then the bike is not tuned correctly. It should just pull from 3K (or lower) all the way to the 10.3K limiter. No power "hits" just a smooth, constant build up of power.
Well, I don't feel a power hit, but someone else might. I got my Hawk after riding an 82 Kawi GPz750 for many years -- nice powerful bike for its time, but not exactly a torque monster. So for me the Hawk's torque bowled me over, and still keeps me smiling.
Tormoz is offline  
Old 11-23-2011, 11:34 AM
  #52  
Banned
MotoGP
 
8541Hawk's Avatar
 
Join Date: Aug 2007
Location: Lake View Terrace, CA
Posts: 5,942
8541Hawk will become famous soon enough
Originally Posted by Tormoz
Well, I don't feel a power hit, but someone else might. I got my Hawk after riding an 82 Kawi GPz750 for many years -- nice powerful bike for its time, but not exactly a torque monster. So for me the Hawk's torque bowled me over, and still keeps me smiling.
Well you might not feel it and it was more of a general statement but by your post, the dyno charts says that there are dips in the torque curve.
8541Hawk is offline  
Old 11-23-2011, 11:42 AM
  #53  
Senior Member
Back Marker
 
Tormoz's Avatar
 
Join Date: Jun 2011
Location: Saint Paul, MN
Posts: 231
Tormoz is on a distinguished road
Originally Posted by 8541Hawk
Well you might not feel it and it was more of a general statement but by your post, the dyno charts says that there are dips in the torque curve.
If I can ever figure out scanning with my printer I can post the actual chart out here.
Tormoz is offline  
Old 11-23-2011, 12:59 PM
  #54  
Senior Member
SuperBike
 
Wicky's Avatar
 
Join Date: Sep 2008
Location: Essex, UK
Posts: 1,707
Wicky is on a distinguished road
Well here's mine with a K&N

Before with OEM filter, standard cans and after 8 dyno runs with Micron open cans, dynojet and K&N - I'm either happy or easily pleased ;-)

Wicky is offline  
Old 11-23-2011, 06:06 PM
  #55  
Senior Member
SuperBike
 
Thumper's Avatar
 
Join Date: Jul 2004
Posts: 1,015
Thumper is an unknown quantity at this point
Originally Posted by Tormoz
If I can ever figure out scanning with my printer I can post the actual chart out here.
Take a pic, upload to site like photobucket and the post that to thread.
Thumper is offline  
Old 11-23-2011, 06:57 PM
  #56  
Senior Member
Back Marker
 
Tormoz's Avatar
 
Join Date: Jun 2011
Location: Saint Paul, MN
Posts: 231
Tormoz is on a distinguished road
Originally Posted by Wicky
Well here's mine with a K&N

Before with OEM filter, standard cans and after 8 dyno runs with Micron open cans, dynojet and K&N - I'm either happy or easily pleased ;-)

Looks almost identical to my horsepower curve, except in the dyno readout I have, the x (or y?) axis is measured in rpm, not speed. Only the torque curve shows a few dips.
Tormoz is offline  
Old 11-23-2011, 08:15 PM
  #57  
Senior Member
SuperSport
 
thetophatflash's Avatar
 
Join Date: Jan 2005
Location: Nooksack WA
Posts: 834
thetophatflash is an unknown quantity at this point
Looks identical to the post just above. Am I missing some valuable piece of data?
thetophatflash is offline  
Old 11-23-2011, 09:04 PM
  #58  
Senior Member
Back Marker
 
Tormoz's Avatar
 
Join Date: Jun 2011
Location: Saint Paul, MN
Posts: 231
Tormoz is on a distinguished road
Originally Posted by thetophatflash
Looks identical to the post just above. Am I missing some valuable piece of data?
Sorry, I "replied with quote" -- I'll try to get mine up when I can.
Tormoz is offline  
Old 11-24-2011, 01:07 AM
  #59  
Out of my mind, back in 5
MotoGP
 
Tweety's Avatar
 
Join Date: Nov 2006
Location: Skurup, Sweden
Posts: 6,109
Tweety is on a distinguished road
Originally Posted by Thumper
See we can discuss things without all the crap. I will see if i can dig up the settings if i have them somewhere. I just am not going to take the carbs off to get main jet sizes, to much work and i would rather tinker with my other bikes.

Would like to see some Dyno runs graphs of both stock and K&N filters runs if Tweety has them for comparison. He may not, but as he had so many runs i would hope he has those to share.

There are lots of other things to consider as well, altitude, humidity, temp, type of gas and so on. No two bikes even configured the same are going to run the same.
The problem for me posting stuff is that it's my own dyno, built by me... So I prefer not to compare the data to other dyno's... Or rather, have other people, not informed of that, compare the data... Comparing the data run for run, however for setup is just fine...

But disregarding that, I will go digging... The unfortunate effect of having a dyno available 24/7, seems to be that when you are dissatisfied with the results, you simply do another setup/dynorun... And since it's a datafile in my case, not a printout like pro machine provides, I have a few saved, and not in the best order... I rarely throw away the datafile, but I'm not always naming them either, meaning they are only marked by date...

But I imagine since this is a hot topic, and it was one when I tried to make a comparasion too, that I would have either named or separated at least the "best setups" of each airfilter, to compare them.... I just have to find them... And with my current schedule I'm not making any promises on timeframe...
Tweety is offline  
Old 11-24-2011, 05:31 PM
  #60  
Senior Member
MotoGP
 
nuhawk's Avatar
 
Join Date: Sep 2006
Location: Austin, Tx
Posts: 4,138
nuhawk is on a distinguished road
Originally Posted by Thumper
Keep the K&N. Much better than stock if tuned correct, which most owners do not take the extra time to do.

Sell the oem to someone else.
I run a set of the member's stacks that first happened here a couple years ago. The K&N with the stacks is a breathing beast. I takes a bit of tuner to get it right. 35mph to 120 in third gear - just one sweet power-on roll. No bogs, no peaks just a steady pull.
nuhawk is offline  


Quick Reply: SOOO went to replace air filter and.....



All times are GMT -7. The time now is 06:31 AM.


Top

© 2024 MH Sub I, LLC dba Internet Brands



When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.