T-pipe valley venting - how to connect?

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Mike V
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T-pipe valley venting - how to connect?

Post by Mike V » Tue Dec 24, 2019 12:23 pm

I am installing a rover 3.5 into a MGA and dont know how to connect this t shaped pipe at the gearbox side of the motor :
In the picture (example - not my engine unfortunately) where does red cap needs to be connected to?

Regards, Mike
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DaveEFI
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Re: T-pipe valley venting - how to connect?

Post by DaveEFI » Tue Dec 24, 2019 5:00 pm

On a P6, goes to the air filter.
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garrycol
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Re: T-pipe valley venting - how to connect?

Post by garrycol » Tue Dec 24, 2019 10:36 pm

On mine it goes to the inlet manifold but has a filter in line to filter the gases of solids.

Image100_0424

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Re: T-pipe valley venting - how to connect?

Post by ChrisJC » Thu Dec 26, 2019 5:22 pm

Is that a blown Land Rover 101FC?

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Re: T-pipe valley venting - how to connect?

Post by garrycol » Thu Dec 26, 2019 10:19 pm

No just a normal 115hp 3.5 that is dual fuel and also fitted with LPG - I assume you are referring to the large barrel in the intake which is the LPG carb.

The plumbing that is the subject of this thread is all standard.

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Re: T-pipe valley venting - how to connect?

Post by DaveEFI » Fri Dec 27, 2019 10:06 am

If I remember the crank venting of the carb engines correctly, that is the air intake to the crank case, with fumes being sucked out via flame traps from the rocker covers into the manifold.
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Re: T-pipe valley venting - how to connect?

Post by unstable load » Wed Jan 15, 2020 11:13 am

It is vented to atmosphere.
It needs a small filter, normally an inline fuel filter is OK to keep the air going in clean.
Air goes in there and circulates within the engine to give a positive flow for the tappet cover ventilation to the inlet manifold.
Cheers,
John

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