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13 Dec 2016, 12:09 (Ref:3695782)
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Rookie
Join Date: Oct 2015
Posts: 4
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Some help please?
Hi
I'm currently running a Speads RS08 with 1300 Hayabusa just for Track Days. My first outing was a disaster. I demolished the complete top end, I assume from downshifting at too high revs. Well at least that is what I was told. My motor was a Powertune motor so I was a bit upset. However I bought another stock 2006 motor having been told it was probably as quick as a 1999 Powertune. It seems OK to me but I've just purchased a Powertune ported cylinder head with APE valves and adjustable cams that I want to fit on the stock bottom end. Can anyone see any problem with this? Will it bolt straight on without further mods? Also thinking about a slipper clutch as I assume this will help with the downshifting also. Any views on this would be appreciated. Many thanks |
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20 Dec 2016, 00:56 (Ref:3697271)
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#2 | ||
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Veteran
Join Date: Jun 2009
Posts: 4,150
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Judging from the lack of response I don't think there are too many Karters around here. There is a guy who posts in the Historic racing thread who's son does some karting...I'll see if he has any contacts.
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__________________
Richard Murtha: You don't stop racing because you are too old, you get old when you stop racing! But its looking increasingly likely that I've stopped.....have to go back to rallying ;)
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20 Dec 2016, 07:20 (Ref:3697293)
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#3 | ||
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Ten-Tenths Hall of Fame
Veteran
Join Date: Sep 2008
Posts: 14,830
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So, what actually is it? A kart, a bike engined race car or.....
 There is a specific kart forum, if it fits in there, or maybe Racing technology, or even track day forum may get more response. I guess like me, not a lot of people on National & Club Racing know what you are talking about! As for slipper clutches, my understanding is that they are usually fitted to protect the drive train wheel side of the clutch, not engine side. If you are over-revving on down shifts, that's surely down to driver to adjust technique..... Edit- just googled 'Speads RS08' so at least know what it is, now! I see you've asked the question in 'bike engined race cars as well'. |
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__________________
Logic will get you from A to B. Imagination will take you everywhere. (Einstein)
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20 Dec 2016, 20:06 (Ref:3697434)
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#4 | |||
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Veteran
Join Date: Jul 2003
Posts: 6,877
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Quote:
It's not a kart, it's a very attractive Radical-esque 2 seater. FWIW you don't regularly run Hayabusa engines in karts Sent from my SM-G900F using Tapatalk |
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Midgetman - known as Max Tyler to the world. MaxAttaq!
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20 Dec 2016, 20:13 (Ref:3697435)
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#5 | ||
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Veteran
Join Date: Sep 2006
Posts: 946
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There are a number of Speads single seaters being used successfully in the Monoposto Racing Club. I think the single seater and the sports cars share quite a lot of things underneath the bodywork, so my recommendation would be to contact the Mono club and post the question on their forum.
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__________________
Andrew Cliffe - Norwich Photo & Racing Exposure
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20 Dec 2016, 23:04 (Ref:3697469)
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#6 | |||
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Veteran
Join Date: Jun 2009
Posts: 4,150
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Quote:
Just thought the post needed some response - as I'm in Spain at present I'm surely entitled to say " I know Nooothink".....and you've proved you know a lot more 
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__________________
Richard Murtha: You don't stop racing because you are too old, you get old when you stop racing! But its looking increasingly likely that I've stopped.....have to go back to rallying ;)
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21 Dec 2016, 01:03 (Ref:3697487)
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#7 | |||
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Veteran
Join Date: Apr 2004
Posts: 3,821
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Quote:
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__________________
a salary slave no more...
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21 Dec 2016, 09:07 (Ref:3697546)
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#8 | ||
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Veteran
Join Date: Jul 2003
Posts: 6,877
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You see them on FB or YT sometimes, giving a little demo run. But long term they don't work.
Sent from my SM-G900F using Tapatalk |
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__________________
Midgetman - known as Max Tyler to the world. MaxAttaq!
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21 Dec 2016, 14:39 (Ref:3697624)
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#9 | |||
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Veteran
Join Date: Nov 2006
Posts: 9,446
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Quote:
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__________________
Balls of steel (knob of butter) They're Asking For Larkins. ( Proper beer) not you're Eurofizz crap. Hace más calor en España. Me han conocido a hablar un montón cojones! Send any cheques and cash to PO box 1 Lagos Nigeria Africa !
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23 Dec 2016, 21:23 (Ref:3698183)
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#10 | |||
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Veteran
Join Date: Jun 2009
Posts: 4,150
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Quote:
Feels bloomin' cold here
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__________________
Richard Murtha: You don't stop racing because you are too old, you get old when you stop racing! But its looking increasingly likely that I've stopped.....have to go back to rallying ;)
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