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K-Tech F215-SS As seen in BestMotoring VTEC Club 5...

#1 User is offline   PhantomAP1 

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  Posted 06 September 2009 - 05:21 PM

Hey guys. I just watched VTEC Club 5 and they had a feature on K-Tech's amazing performance rotating assembly! The version I have of the show doesn't have subtitles, and my Japanese is limited, at best.. So, I could only gather some of the deatails about it.

Specs are as follows:

2139cc
88x88mm Bore/Stroke
11.7 CR

The kit features a shorter piston height than stock with a smaller, but thicker wristpin and a weight of 320g (versus 470g stock F20C). Mated to that is a special con-rod that is longer than stock and is stated as a unique H-I beam design from K-tech, weighing in at 532g versus 650g (F20C). The final piece to the puzzle is the K-tech produced crankshaft, which features a shorter stroke than a stock F20C (45mm versus 48mm) and even some knife-edge grinds to reduce weight even further (as well as windage).

Piston Speeds @ 9,000RPMs

F20C: 25.2m/s
F22C: 27.2m/s
K-Tech: 26.4m/s

There was also some Kanji next to the graph describing some sort of load @ 9,000RPMs... I'm not really sure what it was about, though:

F20C: 2280.38kg
F22C: 2517.40kg
K-Teck: 1634.86kg <----After stating this they flashed an enthusiastic banner across the screen with 14,000RPMs on it!

:drool:

After watching it the feature I went onto all of the usual search engines and they produced nothing for K-Tech or the F215-SS. So, if anyone has any more information on this K-Tech performance package I would really like to learn more about it! A price range and any information about availibility would be really helpful info! Feel free to post your opinions, too.

Thanks for reading. :tipwink:
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#2 User is offline   h17am 

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Posted 06 September 2009 - 07:48 PM

here you go.
you can use google translate for this webpage:

http://www.maroon.dt...-tech/f20c.html

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#3 User is offline   ASM Stook 

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Posted 07 September 2009 - 08:30 PM

Wow, this sounds pretty interesting, does anyone else have any information on this? I didn't understand the website very well.
Someday soon:
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#4 User is offline   Asura 

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Posted 07 September 2009 - 09:13 PM

I have seen this before. It's called the "Square" engine. Because the bore and the stroke are the same. If memories serves me correctly, I thought the wrist pin was 1mm undersized not oversized. Can anyone with kanji skills confirm this please?

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#5 User is offline   PhantomAP1 

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Posted 08 September 2009 - 05:13 PM

Whoops... Hehe, I meant to mention that (or maybe I just typo'd). But, yes the wristpin is a smaller diameter, but to make up for being smaller, they made it thicker in material (wall thickness?).

I can't display the Japanese characters here at work so I can't translate it (just shows boxes and question marks...), but if anyone else can translate it and post it, that would be pretty awesome of you! :D

#6 User is offline   Asura 

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Posted 08 September 2009 - 06:20 PM

Wrist pin is 3mm undersized :eek:

This post has been edited by Asura: 08 September 2009 - 08:28 PM


#7 User is offline   h17am 

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Posted 08 September 2009 - 07:56 PM


#8 User is offline   ASM Stook 

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Posted 10 September 2009 - 10:08 AM

Has anyone else seen the video that could maybe translate and see what it was saying about 14,000 rpm?

#9 User is offline   deathsled 

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Posted 10 September 2009 - 03:25 PM

Quote

Has anyone else seen the video that could maybe translate and see what it was saying about 14,000 rpm?

I assume they are saying that the side load forces of their rotating assembly doesn't meet that of a stock f20c until 14,000rpm, however at that point the piston speeds would be astronomical. They are already greater than that of the f20c when compared at 9000rpm. I imagine this motor revs like crazy and wants to keep going beyond 9k.
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yeah, i read that, but not all manuals are correct.....

#10 User is offline   pcfanta 

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Posted 30 December 2012 - 10:43 PM

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#11 User is offline   andrewhake 

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Posted 30 December 2012 - 11:54 PM

There is plenty of info about the K-Tech built engine in the Seeker S2000 in variou HyperRevs for the S2000.

The F215-SS will cost you about $25,000 USD :D

http://www.k-techeng.../complete_f.php

Thanks for the info!
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#12 User is offline   2likru 

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Posted 27 July 2013 - 12:24 PM

I'm sure everyone here has seen this video of said motor in action. One hell of an initial investment but sure looks like fun results.



#13 User is offline   ITRbroham 

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Posted 28 July 2013 - 01:15 PM

Nice write-up after a visit to Kawashima-san's K-Tech Engine Service: http://www.hybrid-ra...engine-service/
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#14 User is offline   2likru 

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Posted 29 July 2013 - 08:48 AM

View PostITRbroham, on 28 July 2013 - 01:15 PM, said:

Nice write-up after a visit to Kawashima-san's K-Tech Engine Service: http://www.hybrid-ra...engine-service/


Thanks for the link. Cool stuff.

#15 User is offline   ITRbroham 

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Posted 29 July 2013 - 11:30 AM

View Post2likru, on 29 July 2013 - 08:48 AM, said:

View PostITRbroham, on 28 July 2013 - 01:15 PM, said:

Nice write-up after a visit to Kawashima-san's K-Tech Engine Service: http://www.hybrid-ra...engine-service/


Thanks for the link. Cool stuff.


Same to you. I've already bookmarked that S2k owner's Minkara page from the youtube video.




#16 User is offline   na2king 

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Posted 03 January 2014 - 09:48 PM

:surprised: :bow: :write: :thumbup:

#17 User is offline   bigearl91 

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Posted 08 April 2014 - 01:31 PM

Am I right in thinking this costs the best part of £12000?

https://www.google.c...:en-US:official
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