My ol Golf NA diesel still runs. I'm actually tempted to go pick it up since the person I sold it too never put it in his name.
The torque curve is kind of weird. It is pretty high at low RPMs and drops off considerably as it spins up. A lot of times I would downshift to find I still had the exact same of acceleration (or lack there of). The car also pours out more smoke at higher RPMs. So I tended to just floor it at low RPMs.
That car is immortal. After some 300,000 miles the odometer stopped working. I drove it for 7 years some time after that happened. So who knows how many miles it has, and it still runs great. The main killer of these engines is not changing the timing belt regularly. WOT doesn't affect much of anything except the air quality. (Wait! Diesels don't have a throttle to open.)
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