I've just opened up my new 207 block and found an outlet pipe and i'm not sure what it connects to? Think its a coolant pipe but not 100%
I'm thinking one of you tech heads will know?????





Cheers
Scooter

You take the tube out and block it up with a core plug of the correct size.
I also put some threebond sealant on the outside just to ensure it wont leak.
unsure what size it is, i can double check for you tommorow if you like?

Is it water or oil breather? Would it be easier to get a rubber blanking stopper?

It's a crank case breather. It's used to equalize the pressure in the head & crankcase on AVCS headed 207's.

The rear one is the one you use for the PCV system as it's has an oil/air seperator under the outlet (inside the rear of the block).

Alternately you can 'T' the rocker cover vents to this & run a single PCV source from the rear outlet.

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That sounds like a good idea as I'm doing away with the pcv system and running an oil catch can

Cheers for the advice mate. :-)