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



--- In dmcnews@xxxxxxxxxxxxxxx, "David Teitelbaum" <jtrealty@...> 
wrote:
>
> 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
> 
>True,but those cars were not made from oil based products,
(Fiberglass)if for some reason the fumes should ignite,it will use 
the fiberglass body, as a source of fuel..so no matter where you put 
the 
vent tube it will be a fire danger..EVEN static electricity,in THE 
air, could possibly ignite the venting fumes,Not a wise thing to do 
on a 
Delorean...The other fact is you are venting fumes which basically is 
gasoline,and at $3.00 plus a gallon,that is not very wise.Also 
chances are you will ALWAYS have that smell of raw venting fumes,in 
or around the car,not good for your health,and not good while 
driving,it could make you dizzy,and cause loss of control.In the old 
cars they made them with what was called Astro-Ventilation,so that 
you always had fresh air(if you wanted to call it that)to control any 
engine smells from entering the vehicle,plus the tank was WHERE the 
Delorean has it's engine,so that the venting gas tank,had little 
effect on the passengers,verses the Delorean which is basically next 
to the passengers,and towards the front of the car.again a Danger to 
the car and the occupants in the car(the venting fumes).The other 
major source I was 
worried about was his attachment of the vent hose to the vacuum 
source on the intake,which as you explained could cause a backfire, 
OR WORSE !!..which again,could catch the car on fire.A major 
dangerous thing that he is/was doing..and NOT to attempt..by 
anyone..please....  
> 
> --- 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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