Redback Motorcycle Smash Repairs - 1/ 9 Collie St, Fyshwick. Ph: 6280 5433

Turbo or super charge a postie bike?

Discussion in 'Tech Help' started by aussiealex, Jul 8, 2011.

  1. aussiealex
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    aussiealex Member

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    Hi
    Any opinions on how to go fast a postie?

    Can you slap on a turbo or blower? And dont bother replying if its a:

    "I dont see why youd want to do that" or "just buy a gsxr 750 for pace" or "yes you can but it will last 20 km before blowing up" :)

    Cheers and hope yous all have a bonza weekend.
     
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  2. andtfoot
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    andtfoot Member

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    I don't have any experience with them, or modifying posties, but I've heard you can get larger capacity Chinese motors that bolt straight in...?
     
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  3. dmac666
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    dmac666 Member

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    I have no association with these products, random of the net.

    [​IMG]

    [​IMG]

    [​IMG]
     
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  4. kip
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    kip Member

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    anything can be done if you put your mind to it
     
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  5. steampunk
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    steampunk Member

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    yes you could turbo/supercharge in theory. but you'd waste ALOT of time and money.

    put a lifan 140cc engine in it. pretty sure they bolt in with minimal effort. just don't expect to get it legitimatly registered.
     
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  6. aussiealex
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    aussiealex Member

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    lol is that a bottle cap at the top of the turbo...? looks like it can be done :)
     
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  7. Peterpan
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    Peterpan Member Supporter

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    I did a bit of research on those Lifan / Lonchin Motors back when I was thinking of suping up the Honda C70. The 140cc motor is about $700 complete and ready to bolt up including carb from El Wazza Industries in Fisher. They are more expensive than the Ebay ones but can help out if you have dramas. regarding Turbo / supercharging there was an 12v electrical airblower type thing that was used to ingest more air into car engines. Dont know if its still around but in effect it was a kind of turbo charger that forced more air into the motor. From memory it gave about a 5% increase in HP.
     
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  8. supamodel
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    supamodel Secret Aaaaaagent Man Staff Member Moderator Supporter

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    Electic airblowers = useless on most things, especially useless on a bike where adding any single extra electrical load = misfiring.

    Proper turboing posties has been done, generally the oil supply sucks AND its hard to get a turbo that wants to spool up nicely. Even a Suzuki Cappuccino turbo is too big: 220 cc cylinders on the Kei cars is twice as much as a postie (105cc).

    Lifan motors sorta bolt in. There are some adpater plates needed and sprocket alignment can be a PITA. One can also go a big-bore kit + a Tighe cam to get it closer. One-ten motorcycles in Syd-er-knee can sort you out for 140cc + cam for about the same price as a Lifan + kit to make it work.
     
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  9. doc dogg
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    doc dogg Member

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    How about one of these [​IMG]

    Just pull the trigger when you need to over take things :)
     
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  10. MickLC
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    MickLC Member

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    I would've thought nitrous would be the simplest most effective option
     
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  11. Gosling1
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    Gosling1 Forum Whore of Death Veteran Member Supporter

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    Yep

    Slam some knobby tyres on it, then ride it so it slides through corners - this is going fast on a postie.

    It also helps if you show a couple if inches of coin-slot at the top of your leathers, this tends to distract punters behind you from going faster than you can.

    :thumbsup:
     
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  12. dmac666
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    dmac666 Member

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    Say no to crack..
     
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  13. doc dogg
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    doc dogg Member

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    Agreed, crack kills...
     
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  14. Dangerous Beans
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    Dangerous Beans Member

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    While bored at work i was looking into doing something similar to the madass, but found it hard to find a small enough turbo or supercharger.

    I would put something like this into it (170cc single):
    http://www.ooracing.com/store/index.php?act=viewProd&productId=2581
    You should be able to find something similar for cheaper if you look around. Easiest approach. Plus at 27hp i think it may stop being LAMs legal :lol

    You could try turboing it, but finding a turbo that is small enough to spool reasonably quickly would be hard, plus you are looking at complete custom piping and some fiddly carb tuning. turbos are made for 800cc car engines, maybe they could work with a restrictor and a well designed exhaust.

    A custom centrifugal supercharger would be the best approach, if we are ignoring price. But you would probably end up spending the price of 2 new posties, plus a fast bike.
     
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  15. vinniebarbarino
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    vinniebarbarino Member

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    Open up the intake and exhaust, drill the main jet and run it on Methanol is the cheapest reliable option.
    Learn to ride better is another one.
     
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  16. Snab
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    Snab Member

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    I remember seeing one for sale in the classifieds about a year back for some whoppingly expensive price. The ad said it would pop a wheelie in all gears. I think its a ridiculous and insane idea, and I wholeheartedly approve.
     
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  17. Charlie
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    Charlie Member

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    What he said.
     
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  18. Lurch
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    Lurch Capt. Sense of Direction Administrator

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    I reckon this is a brilliant example of "because I can"
    Love it.

    Out of either Sper charging or Turbo charging, I would have thought turbo charging would be the simplest.

    Best of luck.
     
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  19. Trumpcard
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    Trumpcard Member

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    it looks like a NOS bottle in the second photo. with all that power wouldnt the spokey dokeys fall off........
     
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  20. Pix_ls1
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    Pix_ls1 Member

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    Just Do It. Nike... err I mean bike, and turbo that bad boy, that'd be wicked in a very unique and strange way.
     
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