For any engine to reach its maximum potential, the fuel must burn efficiently. Running rich or lean is not good for performance, and in extreme cases it can be catastrophic. A rich engine is likely to ...

Over the past few decades, Honda's B-series has been modified, pushed to its limits (and beyond), and repurposed more times than we can remember. And whether it's the simple engine swap and street ...

New from Innovate Motorsports – the MTX-L PLUS. This standalone O2 sensor gauge uses 100-percent digital wideband air/fuel ratio technology, and can provide data on richness or leanness at any load.