I run older cars by choice, using this flush oil seemed to work well, in that after running the engine with this in (did not drive with it in) for 30 mins at various revs, on draining the flush oil was very black, so it must have absorbed crud from the internals, some fine gritty deposits ended up in my drain pan too. Engine seems quieter and smoother since. Not scientific, but gets a thumbs up from me.
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very good , always works and is easy to use on all cars and vans .the price is also very good for what it is .always worth using a flush to clean out you inners
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I use this flushing oil before every oil and filter change,good for an engine with timing chains petrol and diesel,will clean sludge and build up from the chains links and pins.
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Have been using this flushing oil for a few years now and find it an excellent engine cleaner for all the cars that I service.
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I was unable to source this locally in 1 Gal packs so really good to get this delivered. Yes, some of us still flush out old engines.
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