Twin turbochargers have their pros and cons, and two main setups try to maximize the pros. Here's the difference between ...

In the last installment we left off installing and dyno testing Pypes hi-flow exhaust system on our buddy Tim Cairone's '87 Buick Grand National. We realized gains of 38 hp and 35 lb-ft by ditching ...

HOT ROD has long considered turbocharging the performance tool most compatible with the ever-increasing need for power which can be delivered with economy and low emission levels. The induced ...

Specialist guides describe how this type of engine setup is often labeled as twin or even dual‑turbo, with both compressors working together to raise performance. A separate technical breakdown notes ...