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Thread: Team GPR

  1. #3781
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    3rd April 2011 - 18:54
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    Just pulled the head off and found this, has anyone seen a piston like this before? Bore is scored and looks like the ring has picked up, still can see some coding on the piston.
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  2. #3782
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    3rd April 2011 - 18:54
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    Oh, I see now why I got a 250 2t. Cheap pistons
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  3. #3783
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    2nd July 2013 - 11:52
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    at least you can drink them when finshed lol
    i'm over buckets

  4. #3784
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    13th June 2010 - 17:47
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    Quote Originally Posted by TALLIS View Post
    Oh, I see now why I got a 250 2t. Cheap pistons
    Could'a been worse. I know a guy found wooden pistons in a bike he bought. Just enough compression to give hope - and no rattling conrods....
    Reason is a tool - remember where you left it..... The late, great, John Clarke

  5. #3785
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    13th April 2009 - 22:30
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    I see the problem. Should be a Coke piston. Don't you know that 'things go better with Coke'

    An old slogan, probably before your time.

    https://www.youtube.com/watch?v=CS45M-EhjLM

    or Roy Orbison version

    https://www.youtube.com/watch?v=UqJyqjkKDW0

    Otis Redding

    https://www.youtube.com/watch?v=5PC1W5AMi-I

    All three of these can't be wrong !!!
    ........Rules are for fools and a guide for the wise ..............

    http://www.marshland.co.nz

  6. #3786
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    31st July 2005 - 11:15
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    What's new at GPR?

    How's the Honda coming along?

  7. #3787
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    2nd July 2013 - 11:52
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    Quote Originally Posted by Bert View Post
    What's new at GPR?

    How's the Honda coming along?
    I need a 1 inch tube bender to start anything new dam it
    i'm over buckets

  8. #3788
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    13th June 2010 - 17:47
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    Quote Originally Posted by mr bucketracer View Post
    I need a 1 inch tube bender to start anything new dam it
    Pity you're not closer - you've got TIG, I've got a bender.....
    Reason is a tool - remember where you left it..... The late, great, John Clarke

  9. #3789
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    2nd July 2013 - 11:52
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    Quote Originally Posted by Grumph View Post
    Pity you're not closer - you've got TIG, I've got a bender.....
    thats make lots of money (-;
    i'm over buckets

  10. #3790
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    31st July 2005 - 11:15
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    Quote Originally Posted by mr bucketracer View Post
    I need a 1 inch tube bender to start anything new dam it
    I'm guessing my hydraulic one isn't useful?

    Maybe something like this?
    https://www.topmaq.co.nz/shop/hydrau...l-pipe-bender/


    https://www.aliexpress.com/item/Hand...eaa36990&tpp=1

  11. #3791
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    2nd July 2013 - 11:52
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    Quote Originally Posted by Bert View Post
    I'm guessing my hydraulic one isn't useful?

    Maybe something like this?
    https://www.topmaq.co.nz/shop/hydrau...l-pipe-bender/


    https://www.aliexpress.com/item/Hand...eaa36990&tpp=1
    don't know why they call it a pipe bender when its for tube , they look good but first one says for 1mm and 22mm former max , the other 2mm which should do
    i'm over buckets

  12. #3792
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    20th January 2010 - 14:41
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    Quote Originally Posted by mr bucketracer View Post
    don't know why they call it a pipe bender when its for tube , they look good but first one says for 1mm and 22mm former max , the other 2mm which should do
    traditional pipe benders and capascity are generally for Thick walled pipe. You use thin wall stuff.
    http://www.supercheapauto.co.nz/Prod...12000kg/214468
    https://www.trademe.co.nz/business-f...1441880697.htm
    You could just visit the local muffler shop or cowshed builder they will have 3 axis mandrel benders.





    cool rod /plate bender

    cool
    More research required...

    Kinky is using a feather. Perverted is using the whole chicken

  13. #3793
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    2nd July 2013 - 11:52
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    Quote Originally Posted by husaberg View Post
    traditional pipe benders and capascity are generally for Thick walled pipe. You use thin wall stuff.
    You could just visit the local muffler shop or cowshed builder they will have 3 axis mandrel benders.
    the muffler shops just make a mess , i don't know what there realy selling
    i'm over buckets

  14. #3794
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    20th January 2010 - 14:41
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    even cooler one

    some other versions.


    tube bender vs pipe bender https://www.youtube.com/watch?v=fWiXTr-6N4I
    More research required...

    Kinky is using a feather. Perverted is using the whole chicken

  15. #3795
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    13th June 2010 - 17:47
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    Quote Originally Posted by mr bucketracer View Post
    the muffler shops just make a mess , i don't know what there realy selling
    There was a guy in Nelson doing Featherbed Norton replicas who simply rang up Autobend in ChCh and ordered up a 'kitset' of bent tubes he'd already sorted with them...Autobend are one of the few in NZ doing really good mandrel bent stuff in a good range of sizes. I've used them occasionally. Not that cheap but good.

    Can't see all the stuff Husa has posted - but the simple bender from Aliexpress is quite similar to what I've got. The only caveats I'd make is that we don't have metric tube in NZ - it's all still inch. And the ability to do 1 1/8 too is bloody useful as inch is really too small for most of the "classic" frames.

    If you do get something like that I can see someone's CNC being used to make formers for bigger tube. And mount it on a decent piece of RHS about 100x100 bolted to the floor and about waist height.
    Reason is a tool - remember where you left it..... The late, great, John Clarke

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