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Missing Pipe - V8 Inlet Manifold

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Skibum346:

--- Quote from: Range Rover Blues on March 19, 2008, 01:56:21 ---Ok, I had a look at the Haynes manual and I think it's the vacuum supply to the thermostatic control of air temperature for the carbs.  It's not the crank vent as this goes into the carbs (yuk), I can't see where the servo connects but that would be bigger IMHO.

So, do you have original air filters or after market bath sponges?  the original ones would have had a small bore black pipe that goes from a diaphram on the end of each trumpet via a thermostatic valve inside the airboxs, to a 'T' and back to that elbow you have found.

--- End quote ---
Remember this is a 3.5 carbed engine so airbox sits behind the carbs, Air in comes between the carbs to the air box, from the airbox, a U-shaped cast pipe connects to the carb air intake.

Don't recognise your description above about "diaphragm at end of trumpet"...  :-k

Range Rover Blues:
Ok, you have the oval air box, good.  There should be a pipe that runs from the airbox between the carbs, it's metal and part of the aribox.  At the end of it is there a round lump sat on top? inside it there is a diaphram which controls a flap to direct air either from a hot place or a cold place, usually an exhast manifold but I couldn't see it in the manual.

Well if you find the diaphram then the pipe should go back to one end of the airbox where the thermostat is and from there to the elbow.

Skibum346:

--- Quote from: Range Rover Blues on March 20, 2008, 03:41:13 ---Ok, you have the oval air box, good.  There should be a pipe that runs from the airbox between the carbs, it's metal and part of the aribox.  At the end of it is there a round lump sat on top? inside it there is a diaphram which controls a flap to direct air either from a hot place or a cold place, usually an exhast manifold but I couldn't see it in the manual.

Well if you find the diaphram then the pipe should go back to one end of the airbox where the thermostat is and from there to the elbow.

--- End quote ---

Ahhh... that'll be the ipe that's folded back on itself and clamped with a small jubilee clip then!  :roll: 8-[

I'll check out the airbox diagrams and see what I can find as I'm never too good with word pictures!

Thanks RRB.... as ever you've got me on the right road!   :tappity:

Skibum

Range Rover Blues:
Of course a lazy man would just shove a screw into a bit of old washer jet pipe and bung that on both ends, that way I think it will run on cold air all the time.

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