Swapping an LS engine into a car is popular among folks inclined to do such things. It's a great way to gain the horsepower potential and reliability that makes the General Motors LS engines so ...

Many American carmakers are known for their engines. You have engines like the Ford Power Stroke, the Cummins diesel from Cummins, and General Motors' Duramax, all of which have made a name for ...

While the 5.3L LS4 V8 was the first car engine to feature Active Fuel Management (cylinder deactivation) technology, it was not Flex Fuel capable and did not have variable valve timing. As mentioned, ...

Sometimes you see something so ingenious, you wonder why it hasn't already been done. I felt that way when a friend tweeted a link to a classified ad for a 2005 Pontiac Montana SV6 with a 303-hp LS4 ...

General Motors has killed off the Impala SS, again. For the 2010 model year, the Impala line will be available in base LS, mid-range LT and range-topping LTZ trim. The loss of the SS edition will also ...

There's an internal fight going on in the Impala SS, an existential struggle between the car's performance and family duties that is glaringly apparent with the first turn of the wheel. Neither ...

Kyle has written professionally across the motorsport and motoring world since graduating from Plymouth University in 2018, and has acted as the MotoGP editor for Motorsport Week and as a Features ...

The LS series of small-block V8s from General Motors are among the most iconic engines ever released, and one of the most interesting is the LS4. GM’s LS4 displaces 5.3-liter and is unique in that it ...