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Re: Mikuni side draughts
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Are the type 107A the less desirable Alfa carbs?

Posted on: 2016/10/26 10:10
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Re: Mikuni side draughts
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40 DCOM - Some online sellers claim that these are the "latest" design from Weber. Quite simply, they will not work properly on any engine apart from the Alfa Romeo they were designed for. They are an emissions style carburettor and also use a completely different pump jet design. In fact they use a diaphragm for the pump circuit similar to that used on the Dellorto carburettor. Having attempted and spoken with numerous customers, you may obtain the 40 DCOM carburettor cheap, but you will spend three times more trying to get it to even resemble working.

Late model 40 DCOE carburettor - Late model Alfa Romeo 40 DCOE carburettors are similar to the 40 DCOM in that they are an emissions style carburettor. There are many large progression holes and the emulsion tubes used are very specifc in that they are covered in holes. Many have attempted to tune these to vehicles other than Alfa Romeos with little success.But after reading this now I don't think the ones I have been looking at on eBay are any good.



http://m.ebay.com/itm/ALFA-ROMEO-WEBE ... -/291911405711?nav=SEARCH

Posted on: 2016/10/25 23:03
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Re: Mikuni side draughts
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I already have a bproject manifold to bolt side draughts.

Unless I can find good cheap gx carbs soon I will buy a pair of 40dcoe Italian made webers, they are only 800 on ebay



Quote:

D wrote:
http://www.ebay.com/itm/HONDA-CB1000- ... d19ea6:g:Kd8AAOSwYIxX5Rbm

and get a manifold made to suit by this infamous mob
http://www.altiss.com/ThrottleBodies


buy the carbs on ebay.co.uk send them straight to Altiss
then the finished product ready for tuning posted to you

They are famous in lotus 7 replica and all custom car circles

otherwise Sykine does similar units if hes not flatter than flat out
but they take alot of labour to get right so be prepared for 400 min
yet you can have cheap carbs that sound awesome

I made them back in the 90s using a mig, they were rough outside
but used cheap dremels to get them right on the inside and they
went like the clappers once a bike tuner got hold of them.
The length was important for the street and to clear good headers.
The longest ones 18-20cm made the most torque and sounded awesome

I went from 34mm > 36mm > 38mm back to 36mm for all round
street midrange as it helped the crazy mystery cam it had
It revved like a rotary and many people confused it for one.

heres a 1200cc corsa with big R1 units
https://www.youtube.com/watch?v=tAc0UIRzIsA


These are the carbs I would buy instead of injection
http://i.ebayimg.com/00/s/MTEwMFgxMTAw/z/p0IAAOSwKrxUZM8n/$_35.JPG
http://shop.yoshimura-jp.com/en/product/syousai.php?id=12438

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they are preferred over injection for Japanese racing & street bikes
they are easier to setup with power throughout the range
equivalent to efi as they have their own unique multi-hole on
the tapered jets patented design which atomises fuel close
to efi in all modulations. Pure mech tech pricey but still analog!

Posted on: 2016/10/25 22:30
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Re: Mikuni side draughts
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I am sure I will have fun with the a12 even with out boost. I am not attempting to build a D1 car just a sunny to skid in the wet.

I would just use the gx carbs but I don't have them, engine came with no manifolds or carberation.
What price do reconditioned GX carbs go for?Quote:

D wrote:
drift? you need boost or a bit more than an A12 and A series box
unless you can spray on enough butter in front of you :)

Posted on: 2016/10/24 22:38
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Re: Mikuni side draughts
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I am considering this,
what' size Venturi and fuel inlet valve size is recommended?
I wish I had the specs on the engine build but I dont.

http://vi.raptor.ebaydesc.com/ws/eBay ... pm=1&ds=0&t=1476964122493

Posted on: 2016/10/20 13:25
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Re: Mikuni side draughts
Just can't stay away
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I am a bit stumped at what carbs I want to use and it's my first time playing with side draughts I don't want the learning curve to be to expensive.
They are going on a worked a12 with gx head in to my 310 sunny which I am building to do some drifting in.
Any advice on what and where to buy and reccomendations around Adelaide to tune it?

Posted on: 2016/10/19 11:36
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Re: Mikuni side draughts
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Oops I better search for them instead!

Posted on: 2016/10/18 12:25
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Mikuni side draughts
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I am considering buying RS40-D1-K, Mikuni RS 40mm Carb Kit from mikunioz.com to fit on my a12gx sunny
Will these bolt up to a weber style side draught manifold?
Any advice?

Posted on: 2016/10/18 10:16
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Re: WTB. 1000 wagon rear window. S.A
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andy, kat put a brick through it. told you i was havin relationship dramas.

yeah i kmow there aint #### at upull as i am always going haha.

Posted on: 2009/3/20 9:09
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WTB. 1000 wagon rear window. S.A
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after having a brick put through the window i thought i had better get another. cant get new so this is it, hopefully. if this fails i will try all the wreckers.

cheers

Posted on: 2009/3/20 8:03
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