The Chevy 5.3 liter Gen III engine was installed in thousands of pickups and vans from 1999 through 2007. The majority of them were the RPO LM7 / VIN T engine with the cast iron block, but there were ...

While we often associate pickup trucks' towing and hauling capability with big V8 powerplants, those aren't always the best engine for the job. Manufacturers like GMC have been producing V8s for ...

The 5.3-liter V8 Ecotec3 might seem like the stepchild of the General Motors family, especially with the LS series of engines around, but it's a winner in its own right. This naturally aspirated ...

Let's face it: The little guys never get the love. Case in point, the 4.8L LR-4 or LY2. Everyone wants a 7.0L, 6.2L or at least 6.0L LS engine powering their trucks and muscle cars. Worst case ...

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, ...

The biggest complaint about LS-type engines is they cost a lot of coin to get into. Yeah, the typical LS mill will bleed more cash from your wallet compared to a traditional small-block, but if you're ...

General Motors' EcoTec3 5.3L V8 engine is known for its dependable power and solid towing capabilities. The Chevrolet Silverado and Suburban, as well as the GMC Sierra and Yukon, are all equipped with ...

Another LS cam test, are you kidding me? Haven't we tested literally every LS cam ever invented? If we pass right by the excessive and incorrect use of literally for a moment (my pet peeve), the ...

General Motors has dropped one available powertrain combination from the 2021 GMC Sierra 1500 SLE and Elevation trim levels. For the time being, the automaker will no longer build the 2021 GMC Sierra ...