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wally
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Joined: Apr 04, 2007
Posts: 538
Location: Sydney Australia

PostPosted: December 26, 2009, 1:12 am    Post subject: Cams

Hi
Just another Quiet Boxing Day
How’s the Sydney to Hobart Going?
www.australia.com/arti..._race.aspx

Anyone in Oz here of Frank Trost Cams?
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wally
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Joined: Apr 04, 2007
Posts: 538
Location: Sydney Australia

PostPosted: December 26, 2009, 3:22 pm    Post subject: Re: Cams

Edit
That was meant to be
Frank Trost Cams Anyone know of them?
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xsjohn
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Joined: Jul 30, 2006
Posts: 5857
Location: North Carolina USSA

PostPosted: December 26, 2009, 4:12 pm    Post subject: Re: Cams

Well.......from my experience with the stock cams is that they are pretty much advanced to the very limit....this gives them low end......for all the crazies that want to rev these pressed crank engines to death you could try retarding the stock cam 2 degrees to make them rev better....cost would be 0.............that would be .020 thousands as measured at the boss where the sprocket is pressed on..........so looking on the left side of the cam where the notch is.... the sprocket would be slightly rotated clockwise (.020) on the cam and repressed on.......marking it's original location beforehand of course........

xsjohn
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wally
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Joined: Apr 04, 2007
Posts: 538
Location: Sydney Australia

PostPosted: December 28, 2009, 3:16 am    Post subject: Re: Cams

Just fitted a Trost mild cam (Had to replace my cam as it had damage were one cam seal Sate & always had a oil leak)
So have now replaced cam with a mild Trost cam & fitted Porsche elephant feet to rockers
Question would the rocker tappet setting still be the same settings as with old tappets?????????????
I see with some other cams they advise a new setting.????????????
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yamaman
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Joined: Jan 04, 2007
Posts: 1638
Location: Perth Western Australia

PostPosted: December 28, 2009, 3:39 am    Post subject: Re: Cams

Wally, you should get advice from the maker....I would probably go on the loose side of std setting if you need to come up with your own setting. Maybe just try a loose 004" & 006". Any idea what the actual grind is?
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Its not enough to have an aim in life, you have to pull the trigger!
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xsjohn
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Joined: Jul 30, 2006
Posts: 5857
Location: North Carolina USSA

PostPosted: December 28, 2009, 9:09 am    Post subject: Re: Cams

Wally you can usually stop a cam seal leak by using a larger spring like from a fork seal........shorten it to the same length...bend the ends out so they hook together and put the connection on top.......

xsjohn
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wally
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Joined: Apr 04, 2007
Posts: 538
Location: Sydney Australia

PostPosted: December 28, 2009, 4:45 pm    Post subject: Re: Cams

Frank Trost
www.xs650.org.au/cams.html

Ill check specs with club member I pick up the new cam from.
Im running at the moment with new cam, 03 intack 05 exhaust
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