The one bumper sticker Paul Grusche still needs for his 1978 Porsche 928: “If you can read these words, you’re too close.” Grusche, from Dexter, Michigan, is a full-time dad, an online trader in vintage Porsche parts, a car restorer, an artist, and a consummate Craigslist and eBay scanner. His own site, GrooshsGarage.com, includes a [...]