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So does all VX engines have timing chain?
Unless you camd it it should last the life of the engine, ks being dependant on service history and neglect.when it's either broke or you have some side effects from a stretched chain...really, i never gave that much thought but i have never really heard of them having to be changed at a regular interval...thats the beauty of them over belts, which usually get changed at 100,000k's anyway