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Old 13 Dec 2016, 11:09 (Ref:3695782)   #1
zipperkarting
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zipperkarting should be qualifying in the top 10 on the grid
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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Old 19 Dec 2016, 23:56 (Ref:3697271)   #2
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Lancsbreaker should be qualifying in the top 3 on the gridLancsbreaker should be qualifying in the top 3 on the gridLancsbreaker should be qualifying in the top 3 on the grid
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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Old 20 Dec 2016, 06:20 (Ref:3697293)   #3
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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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Old 20 Dec 2016, 19:06 (Ref:3697434)   #4
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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.
You mean me?

It's not a kart, it's a very attractive Radical-esque 2 seater.

FWIW you don't regularly run Hayabusa engines in karts

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Old 20 Dec 2016, 19:13 (Ref:3697435)   #5
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andrewc should be qualifying in the top 10 on the grid
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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Old 20 Dec 2016, 22:04 (Ref:3697469)   #6
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You mean me?

It's not a kart, it's a very attractive Radical-esque 2 seater.

FWIW you don't regularly run Hayabusa engines in karts

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Of course I meant you, sir

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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Old 21 Dec 2016, 00:03 (Ref:3697487)   #7
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.......

FWIW you don't regularly run Hayabusa engines in karts
interesting idea though........
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Old 21 Dec 2016, 08:07 (Ref:3697546)   #8
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You see them on FB or YT sometimes, giving a little demo run. But long term they don't work.

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Old 21 Dec 2016, 13:39 (Ref:3697624)   #9
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- as I'm in Spain at present
Mainland or Islands ? has it been as rough weather wise as it has been in our area ?
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Old 23 Dec 2016, 20:23 (Ref:3698183)   #10
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Mainland or Islands ? has it been as rough weather wise as it has been in our area ?
Tenerife - from end November until yesterday. Mostly pretty good weather, until last couple of days when it got cloudier and a bit windy - apparently today its got wilder and they've got snow up in the Teide Caldera. It was still 20+ degrees as we were driving to the airport yesterday evening - compared to the 4 degrees when we landed at Manchester.

Feels bloomin' cold here
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