Ditto on the speedo and odo being off by different amounts.
My speedo reads about 5% HIGH (GPS says I'm going 60 - speedo says 63)
My odo reads about 4% low (GPS says I drove 81 miles - odo says 77.7)
How do you compensate for that? If I were to change tire diameter OR rear gearing to make one of them more accurate, the other one would then be even farther "off"...
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1984 300 Coupe TurboDiesel
Silver blue paint over navy blue interior
2nd owner & 2nd engine in an otherwise
99% original unmolested car
~210k miles on the clock
1986 Ford F250 4x4 Supercab
Charcoal & blue two tone paint over burgundy interior
Banks turbo, DRW, ZF-5 & SMF conversion
152k on the clock - actual mileage unknown
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