Quote:
Originally Posted by mdisav
Does anyone know if the 606 pump has the same full load adjustment as the 603?
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Nope!

The rack is fully controlled electronically. There are no mechanical governor parts and the computer has electronic feedback of where the rack is.
Quote:
Originally Posted by mdisav
If the electric rack solenoid is taken off does the back of the pump look the same?
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Nope! Completely different.
About the only performance mods you can do for that car involve chip-tuning. I know nothing about the manufacturers of those, other than I wouldn't use one of their chips without having an EGT gauge installed first!
BTW, this should probably be in the diesel performance section.