If the cylinder heads are on the engine, you will need to add air pressure to the cylinder to hold the valves in place. Our example is the Craftsman 47089 compression test kit using the 14mm long ...

Back in September 2020, GM quietly admitted that small-block V8s suffer from “possible broken valve springs.” According to a technical service bulletin from the biggest of the Big Three in Detroit, ...

For mild street engines, stock valve springs are more than adequate. But if you've screwed in a big bumpstick for strip-banging or banzai runnin', then pay attention. Our plan was simple: Install a ...

Beginning April 5, 2024, a selected group of Kia Telluride owners across the United States will receive a letter in their mailbox informing them that the valve springs in their vehicle’s engine may be ...

A small gap with big importance in the performance and health of an engine - here's everything you need to know.

Update, 03/14/2019 11:35 am EDT: In an email, a Toyota Advanced Technology spokesperson issued the following statement to The Drive: “The safety and security of our customers is a top priority. We are ...

Back in March, The Drive broke the story about dozens of 2013 Scion FR-S and Subaru BRZ owners who reported experiencing catastrophic engine failure shortly after a valve spring recall repair largely ...

Obviously, these valve-control-related issues, associated with insufficient valvespring pressure, are the reason why camshaft manufacturers offer valvespring upgrades. The obvious answer might seem to ...

As with every first year of production in the car world, the 2020 Corvette isn’t perfect. Quality control is questionable at best, the mid-engine sports car had to be recalled over the “flying frunk” ...

General Motors has issued a service update for 2021 model year full-size truck and SUV models that are being shipped to dealerships and may be affected by valve lifter problems. The hazards: this ...