I have a 93 300sd with 215,000 miles on it and it has oil consumption issues.I have been told by several people on here that this particular engine is referred to as a rod bender. While I have no doubts about that I wonder if the MMO soak would be worth a try,have not checked the compression but do not have any hard starting issues either.It does idle a little rough though but runs smoothly under a load or at cruising speeds.
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