Engine additives, cleaners, enhancers...
Later this year I'm taking off in my Hilux. It's been well looked afer, but the engine has done 154k miles. Nothings knocking, there's no smoke and it feels fine, but anything which could reduce wear, prolong engine life and increase fuel economy would be welcome.
Looking in car accessory shops there are literally dozens of products which claim to increase lubrication, reduce wear, clean the injectors, clean the oil system, even repair worn areas and increase compression and power.
My question is, are any of these actualy any good? Does anyone feel thay have gained in performance, engine longevity or fuel economy from any of them??
Any info would be appreciated,
Dan
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