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One that the things I like around my procession is the it has actually a time chain, no a belt that demands to be readjusted every 80,000 miles, etc. Through me putting around 30K miles every year, I"d be transforming the belt rather often.So, what does the emphasis have and also if a belt, when does it have to be changed??? Thanks
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Duratecs have actually a chain. One of the reasons I dropped the diesel VW from consideration. Every that technology and quiet a belt? Not specifically the very same (actually longer chains) however my F-150 has 185,000 miles on its SOHC chains and also runs perfectly. You"re ~ above the appropriate thought track.
The time chain walk not have actually an interval, it"s designed to last the life that the car. Although that is possible it can need periodic adjustment if it starts to do noise, etc.
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You replace the chain when you rebuild the engine, or if the lasts longer than 200k miles. It"s the exact same as other chains- favor some Nissans, because that example. I disagree that belts are reduced tech than chains. Chains to be first, although much shorter on push-rod engines. Chains have a difficulty with twisting the end of form at high speed, which is why you have actually tensioners top top chain setups. This is as result of weight and centrifugal forces. Belts don"t have as lot weight, much less friction, require no oiling, yet don"t have as for sure of a "grab" together a chain v a sprocket. Those have tensioners and also guides also to prevent hopping. A belt have the right to be made to last as lengthy as a chain- ask any BMW owner- your belts are almost 1 1/2" vast and critical 200k + miles. The difficulty is simply that- in order because that a belt to be made to last as long as a chain, the takes up 5x the an are of the chain. Utilizing a chain enables Ford and Nissan to take up the excess room a belt would usage with more space for more comprehensive cylinders. This engines are substantial anyway. IDK If any kind of of you space old enough to realize it, but a freaking 2.0 GDI engine is not much smaller 보다 an old 302 in physical size. It"s for sure lighter, however these engines are large- go examine out the old pushrod 4 cyls that room out there- those room tiny in comparison.
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