An Audi RS6 hits the dyno for a full power test, delivering brutal sounds and raw performance. In this video, we watch as the ...

Dynamometer tests are used to measure a car's torque and rpm response. But how do they get that information? And how reliable ...

Starting engine dynamometer pulls at low rpm is hard on the dyno and hard on the engine. Today, engine dynamometer testing is an integral part of many HOT ROD engine buildups and product tests.

A Buick may seem like an unusual choice for the small-block class of HOT ROD's 2015 AMSOIL Engine Masters Challenge, but with the factory 400 dimensions it was possible to meet the bore and stroke ...

A dyno test showed dangerously low oil levels can produce a 10 percent horsepower bump in an LS V8—for one run, at least. It’s Sunday, Sunday, Sunday, and do I have an offer for you! No, it’s not ...

Diesels are better known for their torque than their horsepower outputs, but Zeigler Performance Diesels spat that preconception into the trash last weekend when its Ram truck recorded an outrageous 3 ...

Iron 5.7L LS1 budget engine dyno run - Fast 92mm Intake We took the rotating guts from an LS1 engine and stuffed them into a bored out 5.3L block for a budget engine that put out over 450 horsepower ...

What happens when you shoehorn a Godzilla engine in a 1986 model year C10? Enter Jody Gunter from Gunter Specialty, the proud owner of a superb-looking Silverado with a lot more oomph than expected.