Day: 4

Quick Tech: How to Use a Leakdown Tester

Using a leakdown tester is one of the best ways to assess the health of your engine. Easy to use, a leakdown tester measures how much cylinder pressure is escaping from your cylinders, showing how efficiently your piston rings and valves are sealing the combustion chamber, along with your head gasket. With street engines, ten to twenty

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Video: What Do You Think of the 2015 Challenger Drag Pak?

Chrysler introduced the 2015 Dodge Challenger Drag Pak at the NHRA U.S Nationals this past weekend. Yes, it was the Chevrolet Performance U.S. Nationals, but Chrysler managed to create its own buzz with the prototype Drag Pak test car. The 2015 Challenger Drag Pak features a naturally aspirated, aluminum 426 HEMI engine, steel liners, and custom calibration.

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