[DML] Re: 245/60Tires and Valve covers

["Matthew" <matthew.spittle@xxxxxxxxx>]

--- In dmcnews@xxxxxxxxxxxxxxx, "Tom Tait" <TTait@...> wrote:
>
> I've been told by DMC CA that you can run the car with the valve 
covers
> off, they are mostly there to contain the oil, more than vacuum.
> 
>  

I don't understand this.  The driver-side valve cover is connected to 
the brass tube which goes into the bottom of the fuel mixture unit - 
below the fuel metering flap.  If air is allowed to enter freely 
here, that is, if air were allowed to enter here because the driver-
side valve cover was removed, then it would bypass the fuel metering 
flap and cause a very lean condition.  

This would have the same effect as opening the "brass screws" that 
everyone knows is not for this application.

So my question is, how is running without the valve covers *not* a 
huge vacuum leak?

Matt
#1604



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