Originally posted by MxRacerCam:
from merriam-webster.com (www.m-w.com)
3 a : scrupulously and conscientiously faithful b : FERVENT, ZEALOUS
i'd say that is an applicable term in relation to vehicle maintenance.  
Yes, gets the idea across, but still a ridiculous usage as applied to automobile maintenance. The more complete definition I quoted makes the intended emphasis clear.
99 Tropic Green SVT, Tan Leather, 20K miles, "Nice Twin" (factory stock).
99 Tropic Green SVT, Tan Leather, 28K miles, "Evil Twin" (Turbo AER 3L and more in progress)
96 Red LX, Opal Grey Leather 2.5L, ATX, 22K miles
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