The answer to the question about how long timing chains last and whether they need to be replaced has two possible answers. It all depends on your answer to this question: Do you maintain your car ...

the chain will suffer along with it and wear out faster. The timing chain of marginal design in a poorly maintained engine can fail sooner than a well-designed belt, so timeous oil changes are ...

Do timing chains last longer than timing belts? Historically timing chains were considered to be longer-lasting and more reliable than timing belts, although this is not necessarily the case on more ...

So the work continues. First to come off was the airbox and throttle body.Throttle body is surprisingly clean; the 390's had ...