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Old March 25th, 2008, 12:59   #1
tnp's Avatar
Join Date: Mar 2008
Location: Brookfield, WI
Fuel Economy: 60's hwy, mid 40's city
Default BSFC (Brake Specific Fuel Consumption)

Being a newbie, I've been reading a lot of threads. There are many mentions to the most efficient range of the RPM curve. A little Googling ran me into some neat terms: BSFC (Brake Specific Fuel Consumption) being the most interesting. I've seen graphs of BSFC vs Engine RPM vs Torque, and BFSC vs BMEP (Break Mean Effective Pressure, or Engine Load) for various engines - but not ours...

Using the minimum fuel for the power produced should equate to the highest fuel economy. While I appreciate the different posts that users state where they believe those points are, it would be great to see some actual data. This would validate a lot of things, such as what really are the best shift points (under various conditions), how quickly to accelerate, among other things. Then, one could use VAG-COM to validate these assumptions and even calculate/predict the best shift points and acceleration modes under particular conditions.

Does anyone have these for a Beetle TDI 1.9L? Or, would anyone know how we can get this?

Thank you!
2000 Beetle GL 1.9L TDI 5-speed Manual
No Mods (for now) except tires Michellin Energy MVX4's @ 45psi and DRL Disabled
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