Subaru built the only twin turbo flat four in a production car. Here is how this rare EJ20 setup worked, why it struggled, ...

In the last episode (September, 2011) we promised we'd take our buddy Tim Cairone's '87 Buick GN back to Atco Dragway to strip-test its latest combination. Well, we made it back to Atco, but we went ...

Turbo basics represents ground we have covered many times in this magazine. However, from the questions we get and some of the articles about turbos we read, the basics still need to be addressed. A ...