Day: 13

[Editor’s Note: Because the LQ4 and LQ9 engines are so similar, we’ve combined them for this engine upgrade guide, which is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at OnAllCylinders. For a primer on the entire LS engine universe, read LS Engines 101:

When it comes time to add brake fluid to your brake system, you’ll do it at the master cylinder. But it’s not as simple as topping off the reservoir and calling it a day. There will usually be a “Max. Fill” line marked on the master cylinder, and it’s there for good reasons. In today’s