Maybe late cam timing would show up as lack of power; maybe not. And what does lack of power look like in a 240D?
You had and drove this car extensively before the rebuild, so, you know how it was then. I'll give you that. And if it's not now any lower on power than it was before, then, cam timing may not be an issue. Still, it wouldn't hurt to check it.
I'd bet that most of the engines owned by this group have late cam timing, caused by timing chain stretch. And owner's just accept the performance of their cars as: "Oh, it's an old diesel. That's how they are."
At 335,000 miles, I bumped up the timing on my '79 SD by 5 degrees, and really woke up the engine. It ran well before; no smoke, adequate power, started in below zero degree Fahrenheit. Fuel mileage was decent (23-24 mpg), but I realized another 2 -3 mpg after the advancement. I'm going to check the timing on the TD engine before it goes into the Jeep (hopefully in the next two weeks....)
Mark in Centennial, CO
On September 24, 2018 at 10:41 PM "vwnate1@yahoo.com [diesel_mercedes]" <diesel_mercedes@yahoogroups.com> wrote:
? Wouldn't bad cam timing (late I assume) show up with lack of power ? .It starts *instantly* and has good power and zero smoke .I noticed it maybe shifts up later than it did before, could late shifting be causing the engine to run higher than normal RPM's and waste that much fuel ?
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