Mick,
I posted a couple of pics a while back when somebody on the Bluebirds list
asked the same question.
this is the pre-71 assembly...
http://albums.photopoint.com/j/ViewPhoto?u=878259&a=6765215&p=22718226
This is the post-71 assembly..
http://albums.photopoint.com/j/ViewPhoto?u=878259&a=6765215&p=22718236

How it's plumbed depends on year and weather you have evaporative emmisions
control on it...either way the breather will exit outside the body, either
via the crankcase up front or though the boot floor.

Hope this is some help,

Eddie
England
(with Datsuns)

I'm new to this list so an intro might be appropriate.... I live on the
south coast (Bournemouth) and have 14 Datsuns at the moment.I help out with
the Datsun Club here and work full time repairing Datsuns and selling a few
parts etc. ...well, it's not really full time, but I don't have a proper
job.... you know what i mean:-) Here are the Datsun I have at the moment...
'69 1000 (VB10)
'69 Roadster (SRL 311)
69 1300 (510)
'72 Laurel (C30)
'73 1200 coupe (KB110)
'73 1200 2dr sedan (B110)
'76 160J SSS (KP710)
'76 260C (230 Cedric)
'76 1200 ute (B120)
'77 140J sedan (710)
'79 280C (330 Cedric)
'79 620 pickup
and a couple of F10s
you can see them all at www.ratdat.com

C'ya
Eddie

----- Original Message -----
From: Mick Ralph <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, August 28, 2000 11:48 AM
Subject: 1600 fuel tank breather


> Does anyone have a good understanding of how this mass of plastic hoses
and
> stuff works?
> I had problems with fuel running out the breather pipe next to the filler
> cap.. Bit exxy with the price of fuel these days..My breather system was
> just sitting on top of the tank.. I tried plugging the end of the breather
> and it stopped the fuel running all over the side of the car and the road
> but the filler pipe just collapsed from the vacuum.. Didn't seem to worry
> the fuel pumps delivering enough fuel to the webers..While I was fiddling
> around with it I lifted the whole shebang up towards the parcel shelf and
> heard the 'whoosh' of air escaping.. There are clips under the parcel
shelf
> which I assume are for clipping the hoses up with.. so i clipped it all up
> there and it seems to have stopped the fuel running out the breather but I
> still get the strong smell of fuel in the car  (makes me nervous as i am a
> smoker hehe).
> Is there sposed to be a one way valve in this system?  I notice that
> bluebirds and 200B's have a one way valve but should the 1600 have one?
> There doesn't seem to be anything which is obviously a one way valve  -
just
> a lot of plastic hose and a couple of metal 'u" bend type tubes
> Does the standard system have the breather hose exiting next to the petrol
> cap, or does it go up the 'C' pillar and into the roof? It sort of makes
> sense to have it exit up as high as it can go.
> Wouldn't mind some help with this one before i go thru scrutineering at
> Pitsworth next weekend..
> cheers
> Mick
>
>
>

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