A well-running and adequately maintained diesel engine should produce no visible smoke from the tailpipe. Modern diesel engines equipped with common-rail direct-injection technology have unlocked more ...
It's standard for older diesel engines to emit black smoke under full load, which occurs during "turbo lag." As the diesel engine waits for the turbo to spool, the machine will blow thicker black ...
RushExperts on MSN
Aftermarket exhaust on trucks: Worth the noise or just noise
The rumble sounds great in the driveway, but the real story is complicated.
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