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Main : Mechanical : Body and Interiors Carburetor bore extender

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Carburetor bore extender
Carburetor bore extenderPopular
SubmitterddgonzalMore Photos from ddgonzal   Last Update2009/8/18 5:52    Tell a friendTell a friend
Hits1822  Comments6    0.00 (0 votes)0.00 (0 votes)
From a 1978 A14 engine (B210).

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The comments are owned by the poster. We aren't responsible for their content.

Poster Thread
revhead001
Posted: 2009/8/20 10:49  Updated: 2009/8/20 10:49
No life (a.k.a. DattoMaster)
Joined: 2008/3/15
From: Melbourne
Posts: 2742
 Re: Carburetor bore extender
It's primary design is to direct the atomised fuel mixture at low engine RPM closer to the bottom of the manifold where the heat exchange is at it's most efficient to prevent fuel from de atomising against the top of the colder inlet manifold. It is mainly for when the engine is cooler to help the engine to run more efficiently.

Poster Thread
ROConnor
Posted: 2009/8/20 8:12  Updated: 2009/8/20 8:12
No life (a.k.a. DattoMaster)
Joined: 2008/2/17
From: Melbourne, Oz
Posts: 2029
 Re: Carburetor bore extender
essentualy fources the the gases to travel a further distance, creating higher velocity at lower engine speed's

Poster Thread
clyons8
Posted: 2009/8/20 10:25  Updated: 2009/8/20 10:25
No life (a.k.a. DattoMaster)
Joined: 2007/1/22
From: East New Britain, Papua New Guinea
Posts: 6981
 Re: Carburetor bore extender
Well the mixture isn't traveling much further is it? Seeing as the component is on the inside of the manifold. And if it were to affect the velocity at all I'd say it would be the concept of a smaller tube/volumetric channel that would serve as a jet.

I thought it was to specify direction of the air so as it'd flow more directly over the heated platform.

Poster Thread
DatsunSSS
Posted: 2009/8/18 22:24  Updated: 2009/8/18 22:24
Home away from home
Joined: 2003/2/14
From: Portugal
Posts: 472
 Re: Carburetor bore extender
the european carb dont have this extender.

What are the effects?

Poster Thread
ddgonzal
Posted: 2009/8/19 19:06  Updated: 2009/8/19 19:06
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31575
 Re: Carburetor bore extender
Smoother off-idle throttle response.