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Old 11-23-2005, 08:24 AM
Pete Burton Pete Burton is offline
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Join Date: Dec 2002
Location: RI shore
Posts: 2,937
Originally Posted by PatricdeBoer
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?
never say never, but don't jump into changing it just because of mileage. Do check the condition of the guides and the overall valve timing deviation. Valve timing is checked at 2mm lift at the #1 intake. As previous poster stated, condition of guides and tensioner may determine this also.
'82 300SD - 361K mi - "Blue"

"Good judgement comes from experience. Experience comes from bad judgement."

listen, look, .........and duck.
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