[DML] Re: New Gas Blends and older cars (David Teitelbaum)
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[DML] Re: New Gas Blends and older cars (David Teitelbaum)



People with fuel injection systems that use the term "Vapor Lock" may
have fuel delivery problems, they are just using the wrong
terminology. Kind of like saying "Indigestion" to describe a heart
attack! The Bosch K-Jet system is VERY reliable with just a couple of
caveats. It has a low tolerance for dirt and it MUST be set up
correctly by someone who knows what they are doing. It is not really
any more "complicated" than a carbureated system, just different.
Dual-diaphragm pumps did not *cure* all of the ills of carbureated
systems. Some cars (not Deloreans) suffer chronic vapor lock.
Especially on hot days and especially with the new blends of gas.
Yesterday Lukeoil got fresh deliveries in my area and cars were dying
all over the place. Seems the latest blend from Lukeoil is 50%
water!!!! All of the Lukeoil stations on the main highways got the
stuff! There were cars all over the sides of the highways and stuck in
the stations!!!
David Teitelbaum
vin 10757



--- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@...> wrote:
>
> Thank you for using the term "vapor lock" properly. I grow weary of
> K-Jet owners using it for whatever other ills they may be suffering.
> 
> It's a moot point here, but dual diaphragm fuel pumps did go long way
> towards eliminating true vapor lock. Vapor locking was not an issue in
> the 1970's, even though the tank was still in the rear and the pump
> mounted to the engine.
> 
> As you stated, my pump pushes fuel from the tank. It is mounted in a
> stock DeLorean tank boot, using the stock wiring circuit. It does not
> have a check valve, however, and I ran a new fuel line that bypasses
> the accumulator. My lines have absolutely no rest pressure 


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