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Barrels & Pistons

 
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oily



Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire

PostPosted: Wed Jan 19, 2011 7:25 pm    Post subject: Barrels & Pistons Reply with quote

Looking for a Good set of pots and slugs for a SB6 or GSXR1100w
Would possibly buy complete engine.
Already looked in the usual places so any leads gratefully accepted Wink
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Evilchicken0



Joined: 12 May 2010
Posts: 2740
Location: London

PostPosted: Wed Jan 19, 2011 9:59 pm    Post subject: Reply with quote

I've got some pistons
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oily



Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire

PostPosted: Thu Jan 20, 2011 10:11 am    Post subject: Reply with quote

Thanks, I'll keep it in mind Wink
Pistons are an eaiser problem to sort than barrels.
What size pistons did you throw in your engine, standard size?
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Evilchicken0



Joined: 12 May 2010
Posts: 2740
Location: London

PostPosted: Thu Jan 20, 2011 10:30 am    Post subject: Reply with quote

Nope same as yours JE Pistons to give 1147cc
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Evilchicken0



Joined: 12 May 2010
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Location: London

PostPosted: Thu Jan 20, 2011 10:33 am    Post subject: Reply with quote

Can't believe I nearly missed a chance to piture whore then !!!




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oily



Joined: 05 Apr 2008
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Location: worcestershire

PostPosted: Thu Jan 20, 2011 10:38 am    Post subject: Reply with quote

shame i can't see the pictures here at work Laughing
Are you still on standard liners?
If so, I'll wait and see what's wrong with yours Laughing
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Evilchicken0



Joined: 12 May 2010
Posts: 2740
Location: London

PostPosted: Thu Jan 20, 2011 2:07 pm    Post subject: Reply with quote

Yes I had the standard liners rebored for the pistons.

You could always come down on the train for the weekend and "see what's wrong" for yourself ... might need to help taking the engine out though Laughing
I'm thinking something in the valve train as the tick is at half revs.
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oily



Joined: 05 Apr 2008
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Location: worcestershire

PostPosted: Fri Jan 21, 2011 10:37 am    Post subject: Reply with quote

Unfortunatly, I have a morbid fear of train travel Laughing
A small blow from one of the headers would sound like a ticking and would also be half engine speed Wink
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Evilchicken0



Joined: 12 May 2010
Posts: 2740
Location: London

PostPosted: Fri Jan 21, 2011 12:08 pm    Post subject: Reply with quote

ok - as I say I'll have a look when I take them off.
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CBar



Joined: 05 Jan 2010
Posts: 142
Location: Texas

PostPosted: Fri Jan 21, 2011 10:34 pm    Post subject: Reply with quote

Evilchicken0 wrote:
Nope same as yours JE Pistons to give 1147cc


What else is required to do this? Balancing?
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oily



Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire

PostPosted: Sat Jan 22, 2011 12:23 am    Post subject: Reply with quote

CBar wrote:
Evilchicken0 wrote:
Nope same as yours JE Pistons to give 1147cc


What else is required to do this? Balancing?


Just a re-bore +2.5mm
The JE pistons are matched better than the OE pistons and much lighter Wink
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Evilchicken0



Joined: 12 May 2010
Posts: 2740
Location: London

PostPosted: Sat Jan 22, 2011 2:32 am    Post subject: Reply with quote

Yes but you'd probably have the head cleaned up, flowed and the valves lapped.

I put in some Kent Cams and had the parts Camcoated to control the heat in the combustion chambers.
There's a size higher up which needs new liners and the engine casings to be machined for them.
You can also fit the GSX-R750W gear ratios to give you a 6 speed box.

The biggest problem with the SB6 is the airbox though, it's to small for the engine to breath fully which is why you could consider 38mm carbs.
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