Check out what hydraulic valvetrain systems work best for your GM Gen III and IV v-8 Engines by testing a hollow exhaust valve against a solid Inconel valve on a LS7 valvetrain. - GM High Tech ...

Depending upon the camshaft/valvetrain/spring combination, standard hydraulic lifters can operate effectively in the 5,500-6,000-rpm range. Typically, anti-pump-up lifters can raise the rpm ...

Tech Terms. Originally published in the September 1982 issue of Hot Rod magazine ...

Updating our barn-fresh 409 with aluminum heads and a roller valvetrain. Tommy Lee Byrd Writer Jun 05, 2014. ... Our updates will result in better airflow, smoother valvetrain operations, ...

The digital valvetrain has been a long time coming, and not just because of the valve issue. “At the time when the idea was conceived, it would have been impossible to develop,” says Gostick.

Of course, Ford naming its engine after Godzilla means it's a beast in its own right, but Ford's 7.3-liter V8 is also surprisingly adaptable and rugged.

BMW S 1000 RR valvetrain – Click above to watch the video after the break. By Jeremy Korzeniewski. Feb 19, 2010 11:59 AM EST Start the Conversation .

The operation for a 1998-2002 spec Toyota Corolla is pretty easy and can be done at home with regular ... Carefully put the cover on the valvetrain so that the gasket doesn’t shift its correct ...