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Old 01-28-2015, 08:30 PM   #41 (permalink)
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Disabling diesel EGR generally results in an increase in fuel economy but with a significant increase in emissions. The increase is so significant that the EPA was pushing to have limp mode mandatorys when EGR failed.

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Old 01-29-2015, 10:37 AM   #42 (permalink)
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Quote:
Originally Posted by hackish View Post
Disabling diesel EGR generally results in an increase in fuel economy but with a significant increase in emissions. The increase is so significant that the EPA was pushing to have limp mode mandatorys when EGR failed.
Disabling EGR increases NOX or nitrogen oxide which produces visible smog in big cities. IMO living in a very rural area, CO2 is a much more serious global emissions.

The Stage 1 tune gave me a little more power and torque which is fun but may lead to a clutch upgrade in the future.

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The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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