On average, a properly set-up engine can make about 2 horsepower for every 1 cfm of dry intake port airflow. However, that does not automatically translate to "bolt on better-flowing heads and make ...

Back in 2015, when Chevrolet Performance offered LT1 crate engines, more and more restomods and Pro Touring cars were seen with those latest direct-injection (DI) Chevrolet small-blocks. Here are six ...

On a recent trip to Vrbancic Brothers Racing to witness a dyno pull, we had the chance to chat with Bob and George about the various project engines in their shop. One of their customers brought in an ...

The idea behind this effort was to use one flow bench to test as many small-block and big-block Chevy cylinder heads as possible. By using one flow bench and the same test procedure, we eliminated ...

I worked as a machinist in an automotive machine shop in the early 1980s before my career took me into the aerospace sector. The shop's high volume of mundane engine rebuilds and turning brake drums ...