3b vacuum hose routing

[PeterS]

Question for the S2 3Bers....

My 3B engine has what I believe to be a vacuum port in the rear, which is different than the "typical" 200 3b engine which has no port.

Could someone let me know which vacuum line connects to the valve cover port (of course its in the rear, under the ISV ;-(

thanks in advance!

-peter

[martinjs]

It goes into the hose which fits onto the large breather outlet on the side of the block.
HTH

[SteveH]

Yeah, the nipple on the back of the head connects to the long hose that 'T's off the main PCV hose. This is not a vacuum hose but part of the crankcase ventilation system. If there's nothing connected to it, you'll probably have a load of oil down the back of the block.