[Healeys] Poor running and smoking engine.

[Oudesluys]

Probably contaminated fuel, possibly diesel in the petrol. It is not 
unknown that reclaimed diesel that has been tanked by accident instead 
of petrol is mixed with petrol by some petrol stations. No one would 
notice if  e.g. 10% diesel is mixed with petrol. Perhaps the petrol 
station overdid it a bit. In the 1950's/60's big US cars were often 
converted to run on paraffin in the Netherlands, which apparently was a 
very simple job. Paraffin was only a fraction of the costs of petrol.
However it is not a good idea for relatively small engines.
Kees Oudesluijs


Op 3-10-2013 23:46, Brian Drab schreef:
> Here is a question for all to ponder.
>
> Last weekend I, and a number of fellow club members, attended a North West
> Meet in Cle Elum Washington. We experienced some rain during the meet. One
> club member, who is driving a BJ7, gassed up at a local gas station, during
> the meet. On the evening of the last day, he experienced sudden bout of
> rough running and spitting back through the carbs. Prior to that, the car
> had been running very well. The car smoothed out and later that evening
> suddenly ran rough again then stopped running.3 fuel pumps later we thought
> the problem had been solved. Sunday, he topped up his gas tank at the same
> station and pump as before and away we went on the return journey. About an
> hour into the journey it was noticed that on acceleration after decelerating
> and also during shifting, a quantity of blue oil smoke out the exhaust. The
> car was spitting back through the carbs regularly and frequently. Only very
> light throttle pressure made it drive reasonable. After a couple of more
> hours we topped our tanks. Running with the choke out a bit made it run
> better. Within the hour all previous signs of rough running disappeared as
> did any smoke from the exhaust. By the time we were almost home the car was
> running normal again.
>
> I believe a tankful of bad gas could have caused the rough running but the
> smoke from the exhaust has me, and everyone else, baffled.
>
> Anyone have experience with this or thoughts on the subject?
>
> Brian Drab
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