I am still a little confused as how to do the plumbing on a Catch can. This is how I did it:
I T-ed off the breather with the black box (oil separator) to one side of the catch can. The other lead is ran through the manifold to create a vacuum.

Anyways, I tend to get a whistle (vacuum leak) when it is connected like this, but when I take off either the valve cover line or the black box line, it does not make a whistle.

One more thing, how come the black box is providing a vacuum as well, I thought the IM is supposed to provide the vacuum for the oil separator (black box).

So my question(s) are: (1)what is causing the whistle sound (2) is the catch can routed correctly?

This is in a 1990 CRX Si, with a b series motor, the catch can is a greddy. thanks for any input.

-Art



Modified by Art701 at 6:34 AM 10/22/2004

 

 

Put the catch can inbetween the black box and the IM, no tees. Now you have 2 catch cans! Also since the Greeeddy catch can is empty straight from the box, please put some sort of gauze in there and run some hose correctly on the inside so it's not just a bling item...

 

So what do I do about the breather?

 

Nothing, leave it how it is.