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Re: [T3] Poor hot performance.


On 16 Jul 99, at 11:48, Patrick J. Morton wrote:

> At 22:04 -0600 14.07.1999, Jim Adney wrote:
> 
> >> The engine is a basically stock 1584cc mill, with 34mm FRD carbs, Facet
> >> electronic fuel pump, CR is 9.5:1, 009 distributor, Crane XR-700 optically
> >> triggered points box and I use only 99 octane leaded fuel ($4.75 a gallon).
> 
> >You don't say how long this problem takes to go away. Does it?
> 
> The problem does eventually go away - after I have been driving for another
> 5 minutes or so, or if the car has been sitting for an hour.

Could be vapour lock.

> >Is there any chance that your Facet pump is located near the engine
> >where it can get warm and boil off the gas and get vapor lock? It
> >really "belongs" in front under the gas tank. AND I hope you have
> >some kind of safety interlock on it.
> 
> It is mounted next to the transmission, onto a bracket that I welded onto
> the left-side fork that holds the transmission.  It should get some air
> there, but it is close to the road.  I passed a road temperature gauge the
> other day that read 47C, so maybe the heat coming up off the asphalt is
> causing the vapor lock.
> 
> Perhaps I should re-locate the pump.
> I really could not find a place under the gas tank to mount the pump - the
> one on my Beetle mounted nicely up there.

You should ba able to make a bracket that attaches to the front axle 
beam.

> I do not have any safety interlock, nor regulator.  I do have a fire
> extinguisher though ...

The only time the safety interlock is important is when you are 
knocked out. The fire extinguisher is irrelevant at that point.

Jim
-
*******************************
Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA
*******************************

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