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60’000 miles on cheap supermarket oil...
#1
In 1999 I built up an engine for the Pearl Cabriolet to do a big tour through the Alps around Italy, Austria and Switzerland. 

It has been used extensively since then, I took the engine out two years ago, after covering just over 60’000 miles, because it was starting to rattle (this appears to be piston slop).

In all that time I only ever used the cheapest 20/50 supermarket oil changed every 2000 miles.  I wanted to see if it would prove detrimental in any way.  I found time today to strip the engine - I wiped the insides down with a cloth to get rid of the oil residue and was genuinely surprised at how clean it still was, considering.

Only real damage I could find was part of the piston snapped off.

Cheap as chips detergent oil seems to have looked after the insides remarkably well!


   

   

   

   

   

   

   

   
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60’000 miles on cheap supermarket oil... - by Ruairidh Dunford - 25-04-2020, 05:04 PM

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