My 300SD is spot on all the way through 80, my 300e is off but the instrument panel was either tampered with or replaced at some point...car has salvage history and the odometer is messed up too.

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TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth