[Fot] Valve cover breather

[Justin Wagner]

I have to wonder.... interesting topic....

I kept on thinking of ways to put positive pressure in the bell 
housing....  to assist the rear seal of my TR4A, etc...    I even 
thought about running a tube from the front of the car, to take 
advantage of the positive pressure there....   and I figured some cool 
air there wouldn't hurt...

Here, you say you put a scavenger tube in the bell housing....

I have to wonder...   while I trust it did, indeed, suck up anything 
that came out.... might it not also have drawn oil through the rear seal?

Just thinking aloud here....

--Justin





JWoesvra at aol.com wrote:

>In a message dated 12/29/2007 2:26:01 P.M. Eastern Standard Time,  
>tony at tonydrews.com writes:
>
>Works,  but doesn't pass tech as vent lines need to go to a catch  tank.
>
>
>This would pass tech at an SVRA event. I think it is a viable device and  
>once used a similar idea in a BMC Fomula jr.
> 
>However, in that case the car had a faulty rear main seal design (BMC) that  
>always leaked on the clutch. We put a scavenger tube in the bell housing and 
>ran  it to the exhaust header. It sucked up whatever came out and burned it up 
>in the  exhaust.
> 
>I see nothing against the our rules if you vent the valve cover this way,  
>unless you start smoking so bad that it is a nuisance.
> 
>That call is always up to the Chief Steward.
> 
>Jack Woehrle
>SVRA Technical Director
> 
>
>
>
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