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Featured Racing An 955i Speedie?

Discussion in 'Racing & Bike Sport' started by Riffraffracing, Apr 13, 2019.

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  1. Riffraffracing

    Riffraffracing Well-Known Member

    Apr 13, 2019
    46
    63
    Aberdeen
    Hi All.

    I had a great read on Bad Billies threads. Racing is indeed an expensive past time.

    I am entering my 5th year club racing in a Supertwin Class one Scotland and further afield when I can. However as much as the MiniTwin and Supertwin class are meant to be budget classes the cost has out grown my budget so much so that I am considering changing class next year.


    I am set on racing my 955i Speed Triple towards the end of this year and all next year.

    I will be entering the Sounds Of Thunder class which will pitch me up against SP1s and RSV Millie’s.

    As stock the S3 is no where near fast enough so will be looking at engine mods.

    Simple thing to do is a Daytona engine swap but that’s no fun.

    I have ideas/experience and will do the following

    Thinner head gasket.
    Polish and port the heads.
    bored throttle bodies.
    Air box mod with velocity stacks

    Suspension I am ok with

    I have heard that you can change the Cams for Daytona Cams

    Daytona Exhaust cam in the inlet side and S3 inlet cam in the Exhaust side.

    Do you know if this or heard of it been done?

    I see many posts on the Daytona ex cam going into 1050 motors but can’t see any discussions on this been done on a 955i motor.

    2320B41F-ADD7-45C5-AF2B-09471960648F.jpeg
     
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  2. Ron Ashurst

    Ron Ashurst Drain Bamaged
    Subscriber

    Wish I could help you out but look forward to some followup and pictures mate. Good Luck :)
     
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  3. Riffraffracing

    Riffraffracing Well-Known Member

    Apr 13, 2019
    46
    63
    Aberdeen
    I am looking forward to getting it done. Not seen many S3 race bikes. Even with a google search or on Pinterest


     
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  4. MrOrange

    MrOrange The Lunatics have definitely taken over !!!!
    Staff Member Subscriber

    Oct 28, 2015
    6,778
    1,000
    the Heart of Darkness
    Liking the SV650. My first big bike, bloody great engines in them and you can rag them them all day long and feel like your actually getting close to their limits, unlike a 750 Gixxer (my 2nd BB). I'd have another at a drop of a hat, bloody loved mine.

    Good luck with the change of class.
     
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  5. Riffraffracing

    Riffraffracing Well-Known Member

    Apr 13, 2019
    46
    63
    Aberdeen
    I built The SV in the photo from a standard bike and is well specced for a Supertwin but is no where near competitive.

    Kent cams, racing pro velocity stacks, Falicon knife edge conrods, high compression pistons and gaskets, slipper clutch, Ohlins all round as well as Brembo all round.

    Most riders are on the Er6 and a few have put deposits for the New Norton.
     
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  6. Eldon

    Eldon Senior Member

    Nov 14, 2018
    464
    163
    North Yorkshire
    #6 Eldon, Apr 14, 2019 at 10:47 PM
    Last edited: Apr 15, 2019 at 7:39 AM
    Your SV looks well. A friend has a tuned ER6 but they are known to snap conrods if taken too far.
    His bike smashed itself (and his right leg) to bits when the rear shock let go.
     
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  7. Riffraffracing

    Riffraffracing Well-Known Member

    Apr 13, 2019
    46
    63
    Aberdeen
    They can be fickle bastards but I have never heard of a rear shock go....has he recovered?
     
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  8. Eldon

    Eldon Senior Member

    Nov 14, 2018
    464
    163
    North Yorkshire
    Hes best part mended with a little limp. The top joint pulled off and when next compressed the whole world turned upside down.... broken tib and fib.
     
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  9. Bad Billy

    Bad Billy Baddest Member
    Subscriber

    Jun 1, 2017
    3,866
    1,000
    Southern Softyville
    Hey mate,
    Good luck with the S3 project, I thought about sound of thunder when I wrote off my RC8, but I figured it was going to cost a lot more the Prostocks Bandits, the FPR rules on mods stop people buying a win with a tuned engine & fancy race suspension.

    I must admit that I am finding racing a lot more expensive than I thought, and that's racing in a control class at the budget end, so respect to you keeping it going for 5 years.

    Keep us updated with the S3 race conversion and let us know how she fairs, I would say that racing the Mille would be the easier option, but as you said, wheres the fun in that!
     
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  10. Riffraffracing

    Riffraffracing Well-Known Member

    Apr 13, 2019
    46
    63
    Aberdeen
    Its unbelievably costly but sooooooo addictive, you cant get the thrill of the starting grid anywhere else....Its the one place where i am clear of all thoughts. I love it.

    5 years, dread to think of what i have spent.

    The Prostock Bandits is a great class. we ended up with CB500s as our budget class.

    The Minitwin class became lightweights up here and it grew arms and legs and is now a £25k class if you want to be competitive....

    This was my first wee bike. started off at £200......

    20170419_104332.jpg
     
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  11. Riffraffracing

    Riffraffracing Well-Known Member

    Apr 13, 2019
    46
    63
    Aberdeen
    thats rough though
     
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  12. Riffraffracing

    Riffraffracing Well-Known Member

    Apr 13, 2019
    46
    63
    Aberdeen
    thats rough though
     
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  13. Riffraffracing

    Riffraffracing Well-Known Member

    Apr 13, 2019
    46
    63
    Aberdeen
    Thinking at the moment to get hold on the cam swap. I dont know if i would need the full power of a Daytona as much as I would like it. I am unlikley to get to the redline of the S3 on a short circuit. I will install, QA throttle, Daytona headers and an open under seat system, bored TBs, velocity stacks with open/modded airbox and set it up with a PC3 and Dynojet QS.
    i have all of the above except the bored TBs

    I can take the front end off my Supertwin which is k6 GSXR forks, Ktech internals and full Brembos with Brembo Monoblocs.

    I have a Shock Factory Shock but will see about getting better.
     
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  14. Ron Ashurst

    Ron Ashurst Drain Bamaged
    Subscriber

    That's all greek to me but good luck mate. :)
     
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