Quote:
Originally Posted by wwelder
It's a '94 metro 1.0 engine with no pre-existing problems. Carbon build up seems to be a problem with this particular engine that I am trying to head off.
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I change oil every 7K....use a pint of water in the intake thru an old dish soap bottle...keeping the revs up around 2K. Then add 1 pint kerosene to the oil...run at fast idle for 15 mins...then new oil and filter.
If you use a fuel additive like acetone or iso or ??...you can improve combustion and reduce carbon buildup.