[DML] Re: Fuel tank vent line
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[DML] Re: Fuel tank vent line

As dangerous as this post may make it appear, it is not all that bad.
You have to allow some way of venting excess pressure or you *could*
cause the tank or a hose to burst. All you need to do is take the vent
hose from the fuel tank, run it up to as high a point as you can and
loop it back down in a place away from any hot spots. This is what was
done on cars before vapor recovery systems. Do not try to vent it
directly into the motor. Raw gas could get in and a backfire could
cause unintended combustion!
David Teitelbaum
vin 10757

--- In dmcnews@xxxxxxxxxxxxxxx, "cbl1739" <cbl302@...> wrote:
> Danger Danger Danger...Leave your fuel canister alone..Did you ever 
> see a Plastic gas can BLOAT UP when gas fumes build up in a plastic 
> gas tank..well...Remember the Delorean has a plastic fuel tank..by 
> removing ALL the Gasoline related items such as the charcoal canister 
> etc,you are asking for major problems since the entire fuel system is 
> sealed to prevent fuel vapors from escaping.Gasoline vapor in the 
> Fuel tank is routed through the vapor seperating hose and the roll-
> over valve to a storage canister (what you want to remove)(the 
> charcoal canister) When the engine is not running,fuel vapors are 
> stored in the storage canister,if you remove it,the vapors will be 
> TRAPPED in your Fuel tank...and as stated above will cause the fuel 
> tank to deform or cause the weak points in the fuel tank to leak 
> fuel.Unless you leave the vapor hose open to the atmosphere(Not 
> recemmended,since it would be a fire hazard)You will wind up with 
> major buildup of gasoline fumes in your fuel tank...again causing 
> distoration or leakage of your fuel tank.I do not know what you are 
> doing,but by plumbing the vent hose into the intake..you will be 
> sucking gas through the vent hose directly into your intake 
> manifold...causing more problems than if you left it all alone.  
> --- In dmcnews@xxxxxxxxxxxxxxx, "Nick" <nicholden@> wrote:
> >
> > Hi,
> > 
> > I have almost finished a fully rebuilt engine and turbo conversion. 
> > Where i live i am not required to have any emmission controls etc 
> on a 
> > car of this age hence i have no Cat. converters etc. 
> > 
> > I have lined the engine bay in stainless steel and removed the 
> charcoal 
> > canister. Where is the best place to plumb in the fuel tank vent 
> line? 
> > Into the intake before the throttle plate maybe? and do i need a 
> one 
> > way valve on the line?
> > 
> > Thanks, Nick - Sydney
> >

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