Time to replace timing chain?
I have an '81 300sd with 275,000 miles on it. The car is immaculate, it appears that the previous owners took great care of it and it has very little blowby. I was thinking it might be a good idea to replace the timing chain as preventative maintenance. I was told if the car was treated right and always had proper oil changes that the timing chain should never die. Is tis true?
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