Sierra

1+ day, 1+ hour ago   (1628+ words) The LS family is arguably the most successful modern pushrod V8 architecture in automotive history, powering everything from base Silverados to Corvette Z06s. Introduced in 1997 with the LS1, the platform has spawned dozens of variants across displacement, aspiration, and performance tiers, all sharing…...

2+ day, 55+ min ago   (749+ words) Two pieces of metal sliding against each other inside an engine are never supposed to touch. That is the whole trick of a bearing, and it is not achieved with hardness or with clever surfaces. It is achieved with a…...

2+ day, 5+ hour ago   (1384+ words) A Chevy Silverado Trail Boss made it to 98,876 miles before its 6.2-liter V8 gave out. That's 1,124 miles short of six figures. It's also well inside a recall that's supposed to cover this exact failure for another 51,124 miles. A Chevrolet Silverado Trail…...

1+ week, 3+ day ago   (498+ words) GM has produced some great engines in its day, including the famed 350 cubic inch small block V8. Here are some of the worst engines GM ever produced. General Motors has created some all-time classic engines. The small block 350 cubic inch V8 can…...

4+ day, 9+ hour ago   (457+ words) General Motors will invest more than $40 million in Bedford Casting Operations, according to a company release. The money will expand production capacity for 10-speed transmissions used in full-size trucks and SUVs, while also adding capacity for existing 8-speed transmissions and…...

4+ day, 12+ hour ago   (556+ words) In some cases, factory technicians or automated assembly tools failed to secure the engine oil filter to the required 30 Nm (20 lb-ft) specification. Reports indicate some filters were shipped so loose that they can literally be spun off by hand without…...

6+ day, 6+ hour ago   (843+ words) GM says it doesn’t exist. In a statement, the company said: “GM regularly assesses incentives and customer programs across its business. At this time, there is no L87-related employee pricing offer in place. We remain committed to supporting our customers…...

6+ day, 7+ hour ago   (418+ words) Improved gas, diesel powertrains may appear under the hood of Chevy, GMC HD pickups before their next-gen restyle The perpetual truck war in Detroit will rage until the cosmos consumes us all, meaning manufacturers are constantly fettling with powertrains and…...

6+ day, 11+ hour ago   (426+ words) General Motors updated its two full-size pickup trucks earlier this year. The Chevrolet Silverado 1500 and GMC Sierra 1500 received major makeovers, including updated powertrains. We expect many of the styling changes to carry over to their heavy-duty counterparts, but before that…...

6+ day, 18+ hour ago   (352+ words) According to GM Authority's sources, the L8S retains the 6.6 liters of the L8T while the displacement of the L6P remains unclear. That leaves a lot of empty boxes on the specifications sheet, but there is already enough information to see why new engines…...