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k5/k6 stronger than k7k/k8??? Mythbusters... Rate Topic: -----

#1 User is offline   CraZee GSXR 1k 

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Posted 11 March 2009 - 05:44 PM

We see everyone talking about how the k5/k6 makes MORE power than the k7/k8 LOL and now the k9 :rofl


This was posted by found this by Chirs@KWS...
2007 GSX-R1000 Dyno Info
We have our 2007 GSX-R1000's and we have put them on our Dynojet 250i Dyno. It is a brand new bike with 4 heat cycles and 30 miles worth of dyno time. The bikes are strapped down the same way and have 30psi in the stock tire.

Also, these are production bikes picked up at Ron Ayers Motorsports in Greenville, NC. They are not pre-production race team specials...

Here is what you are looking at:

Blue: 2007 GSX-R1000 Stock
Red: w/ LeoVince Slip-Ons
Green: w/ LeoVince Corsa Full System
Purple: LeoVince Corsa Full System w/ VP MR9 (87 octane)
Pink: 2006 GSX-R1000 Stock

http://forums.13x.co...98&d=1173117555


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Check it out BLUE/PINK k7/k6 174 and 158 respectively.
I see the k6 making slightly better mid range at 6-7500rpms in hp and tq but check it out above that, especially at 9200rpms.. now thats a HUGE GAIN and well worth it.
So the k5/k6 gen being more powerful than the k7/k8... myth busted! :puke
It only gets worse when do the typical intake exhaust tune mods. Stock to stock I can see the k5/k6 be a very close competitive bike cause of the extra weight but this was strictly a power comparison.

This post has been edited by CraZee GSXR 1k: 11 March 2009 - 06:00 PM

2007 GSXR 1000 2003 ZO6 heads/cam nitrous
[SIGPIC][/SIGPIC]

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#2 User is offline   motomummy 

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Posted 11 March 2009 - 06:15 PM

so close in performance that with msot riders the difference is too small to really be able to take advantage of.
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#3 User is offline   ricksk61k 

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Posted 11 March 2009 - 06:32 PM

sorry but these charts look a little off. 95 % of the k7/8 even on this board that have had there bikes tuned with full pipe and pc etc arent making what this claims to have stock. 175 whp stock sorry.. even the 185 on race gas seems pretty high for only a pipe. most bikes with a head package and big bore kit are happy to have that.
now i know you cant just look at one dyno and make a end all , and i know everyone will give you a differnt number. but all i can add for my personal exp was the number i made on my bike at the dyno i went and the comparisons he gave me for other bikes he personally tuned on it, which is where i got the ave numbers for the compairison i put in the other post. and even that is only somewhat fair seeing how only one of the ones he compaired was done the same day.
and even at that the number a dyno gives is in no way the absolute in determining how it will be in the real world of riding.. only a good comparison of the before and after changes of what you have done
2004 gsxr 1000..stolen...
2006 gsxr 1000 a few mods so far..
1990 gsxr 750 in progress :thumbup
1982 katana collecting dust
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#4 User is offline   R1Lover 

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Posted 11 March 2009 - 06:37 PM

I agree these are not too accurate or we don't have the rest of the story... :puke

There is no way in hell a gixxer with a pipe is making 185HP :) :rofl

Now that's funny!
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#5 User is offline   R1Lover 

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Posted 11 March 2009 - 06:39 PM

after looking again those look more like busa numbers :rofl
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#6 User is offline   CraZee GSXR 1k 

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Posted 11 March 2009 - 06:49 PM

who knows?? I thought KWS would be unbias and accurate.. they love all gixxers lol.
The comparison was done on the same dyno so even if it is high the difference is still the same.
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#7 User is offline   loren 

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Posted 11 March 2009 - 07:25 PM

It's interesting to see these results using the same dyno and with KWS doing it. Numbers are just numbers, but the graphs are showing more power on the K7/K8. I know my two bikes are running different setups and the K5 racefit has great power and the K8 has a pos TM on it. My K5 will hands down kick the k8's ass everywhere in power delivery. But the K8 handles better with stock suspension and BSTs vs K5 with ohlins rear, Traxxion kit, and stock wheels.
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#8 User is offline   Plastic Cup Politics 

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Posted 11 March 2009 - 07:42 PM

Most of the time you can't even get the same number twice on the same dyno. There are plenty of places that show higher and lower numbers for both bikes. But it really doesn't matter. :rofl
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#9 User is offline   NOSNelson  

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Posted 11 March 2009 - 07:55 PM

It don't matter. K6 is still the best.:rofl
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#10 User is offline   Fukucacheme 

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Posted 11 March 2009 - 08:05 PM

wrong mike, you just cant admit it. you know the yellow k7 is the fastest:beer

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#11 User is offline   NOSNelson  

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Posted 11 March 2009 - 08:10 PM

Fukucacheme said:

wrong mike, you just cant admit it. you know the yellow k7 is the fastest:beer


I pass them all the time.:rofl
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#12 User is offline   Fukucacheme 

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Posted 11 March 2009 - 08:13 PM

NOS-Nelson said:

I pass them all the time.:puke

not this one:evil
:rofl ill even hit it mid corner, im not afraid:squid

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#13 User is offline   NOSNelson  

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Posted 11 March 2009 - 08:20 PM

Fukucacheme said:

not this one:evil
:puke ill even hit it mid corner, im not afraid:squid


Do it. You'll highside yourself to the moon.:rofl
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#14 User is offline   Fukucacheme 

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Posted 11 March 2009 - 08:23 PM

NOS-Nelson said:

Do it. You'll highside yourself to the moon.:rofl

no i learned a trick on how to do it succesfully from Rhett the other day in the Starbucks parking lot

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#15 User is offline   K8Rider 

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Posted 11 March 2009 - 08:31 PM

GSXR 1000 2008 model? - Yahoo! Answers
I don't think these guys know what they are talking about
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#16 User is offline   NOSNelson  

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Posted 11 March 2009 - 08:33 PM

Fukucacheme said:

no i learned a trick on how to do it succesfully from Rhett the other day in the Starbucks parking lot
Good job.:rofl
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#17 User is offline   K8Rider 

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Posted 11 March 2009 - 08:35 PM

2009 Suzuki GSX-R1000: 191bhp, 87lb/ft, 167kg
[SIGPIC][/SIGPIC]
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#18 User is offline   BLK K8 

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Posted 11 March 2009 - 09:41 PM

loren said:

It's interesting to see these results using the same dyno and with KWS doing it. Numbers are just numbers, but the graphs are showing more power on the K7/K8. I know my two bikes are running different setups and the K5 racefit has great power and the K8 has a pos TM on it. My K5 will hands down kick the k8's ass everywhere in power delivery. But the K8 handles better with stock suspension and BSTs vs K5 with ohlins rear, Traxxion kit, and stock wheels.


take the tm pipe off the k8 and fit an akro, i got 5 more hp doin that....

ITS BETTER TO BURN OUT THAN TO FADE AWAY.........
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#19 User is offline   loren 

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Posted 11 March 2009 - 10:06 PM

It's the next thing the K8 gets. I'm still undecided on which one.
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#20 User is offline   BLK K8 

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Posted 11 March 2009 - 10:11 PM

akra hex, look and sound sweet......

ITS BETTER TO BURN OUT THAN TO FADE AWAY.........
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