Re: [DML] Fuel Temperature.

[Dick Ryan <deloreanbiker@xxxxxxxxx>]

While I can't say that fuel temperature is a problem
as far as vapor lock is concerned, I know that I have
experienced an extrememly noisy fuel pump when the
fuel gets hot.  

We all know that a fuel pump "hum" is not uncommon,
but when the fuel gets hot, my pump "shouts".  As soon
as I pull into a service station and fill up with cool
fuel, the noise goes away (for a while).  Most of the
time it takes about a half a tank before the noise
gets unbearable.  I've even had cars next to me at the
stoplight and they hear the noise over the fans!!

I do have the rubber "baffle" that is supposed to
direct the air downwards away from the tank.  

Recently I have seen rather compact fuel "coolers" in
hot rod and performance car magazines.  Has anyone
tried one of these?

Dick Ryan
VIN 16867

--- Marc Levy <malevy_nj@xxxxxxxxx> wrote:

> 
> Have anyone verified that Fuel Temperature is a
> problem?  Cold fuel is more efficient, but many
> people
> drive their DeLoreans in hot climate with no
> problems.
> 
> Many years back, there was someone selling a rubber
> shield that blocked the hot air coming out of the
> radiator from blowing over the fuel tank.
> 
> I don't remember who it was, but I have seen a few
> installed on cars.  Looked to be a good idea,
> although
> I saw no data to prove it was effective.
> 
> 
> --- tobyp@xxxxxxxxxxxx wrote:
> 
> <SNIP>
> 
> > felt like it was burning his skin.  Between the
> hot
> > air blowing on 
> > the tank from the radiator, and the fuel being
> > returned to the tank 
> > from the engine compartment as part of the
> > recirculation that goes on 
> > continuously in the DeLorean, the fuel was heated
> to
> > a significant 
> > degree (pun intended).  Here's the question for
> the
> <SNIP>
> 
> 
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