[Vwdiesel] gasoline for frozen diesel

[James Hansen]

Just to clarify, the gasoline added is to keep the diesel fuel from 
clouding when cold, and the precipitate from plugging the fuel filter by 
keeping the long chain paraffins dissolved, not so much as to aid in 
starting.

I had a look and Iso-heet contains isopropal alcohol, regardless of when 
Wally world claims about their product, alcohol is definitely NOT 
recommended for diesel fuel injection systems as an additive.  Now, 
there is a time when you would use isopropal alcohol, and that is when 
you have no choice whatsoever, because you got a dose of water from an 
underground storage tank in winter.  This has happened to me- got about 
a litre (quart-ish) of water in the tank, -30 at the time, and the only 
way possible to get the car off the road was either on a hook, or to add 
isopropal alcohol to liquify the water, so it could make it's way to the 
fuel filter, and be drained off.
I chose the latter, because it's what we would do if my power unit was 
stranded, and is an emergency measure only.

Using isopropal as an additive in a diesel on a continual basis is a 
very bad idea from the injection pump lubrication standpoint.  NEVER use 
it in a common rail injection system, I don't care what wally world sez 
about their product. Better to use a stanadyne product to keep water out 
of your injection system, it contains better emulsifiers that maintain 
pump lubrication.
-james

Terry Briggs wrote:
> With the cold weather that's set in here in the northeast, I generally  
> cut in about 1 gallon of gas in the jetta, seems to help a bit. Do not  
> exceed { I think the bentley says this as well} 10% gasoline.
> On Jan 15, 2009, at 8:15 PM, adamo robison wrote:
> 
>> is that right in a previous post did someone say that in the winter  
>> hard start they put gasoline into the tank.  is that like iso heet. is  
>> this safe?
>>
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