Evan Griffey, Author at Shop Press

Shop Press is the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle.

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The JDM Class of 2001 Comes of Age

Japanese Domestic Market (JDM) cars during their heyday in the 1990s were the unattainable treasure, not for North American consumption, only accessible in video games. They were tantalizingly close but not truly attainable. Turns out all it takes is patience: 25...

It’s That Time of Year to Change Your Clocks. And Your Gasoline Blend.

For those of us wrenching here in Uncle Sam’s country, we prepare for the arrival of spring by “springing forward” an hour with our clocks. (And maybe even helping a few customers fix the time on their dashboards.) But there’s another seasonal change going on behind...

Ferdinand Porsche: Engineering the Shape of Speed

Ferdinand Porsche is one of the earliest designers featured in our “Automotive Paragons” series, and few figures loom as large over the modern automotive world. His career began at the dawn of motoring itself, when horseless carriages were still experimental...

Service Writers: Don’t Leave Your Greatest Diag Tool in the Shop

Today’s piece starts with a one-question quiz that’s not a trick question: in your shop, what is your best diagnostic tool? It’s not a meter or a scan tool or a stethoscope, though those all are handy items to have nearby. It’s your technician. And as much as leaving...

What’s the Deal with DIP Switches? Aren’t They Just … Switches?

When your work involves automotive electronics, you’re bound to encounter DIP switches at some point. Experienced techs will know that DIP switches enable multiple configurations for a single electronic component. In simpler terms, different switch combinations make...

Why Your Shop Should Be Using Loaded Knuckles to Save Time and Money

It’s midday on a Friday, and an older-model Subaru rolls into the bay in need of new wheel bearings. In the past, this would have meant a few hours with the shop press, possibly a torch, and maybe some choice words to get the job done. But it doesn’t have to be that...

Use the Little Radiator—and Have Customers Do the Same

Disclaimer: If a car is overheating and it is possible to safely exit the road and stop the car, that should always be the first course of action to avoid the risk of fire. The solution described in this article should only be used where that is not possible. If a car...

PSA: The Right (and Wrong) Ways to Handle Iridium Spark Plugs

For the vast majority of vehicles on the road, swapping out spark plugs is gravy work. Yoink the old plugs, make sure the replacements meet the necessary gap spec, install the new plugs, and button up the ignition system. You’re in and out of there in no time, right?...