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日野ハードエンデューロで朝一から吹けが悪く、9000越えどころか8000rpmも怪しく、レースでは全然登らず苦労したのもあって、やはりセッティング詰めないとな～と思ったのですが、プラグ見てもちょっと黒いかもしれないけど、キャブ車と違って補正が ...

The wideband tuning revolution’s start can really be traced back to the first truly affordable wideband air/fuel ratio monitor from Innovate Motorsports, the LM-1, and the LM-2 has become a mainstay ...

AEM's World-famous Wideband O2 air/fuel ratio UEGO gauge features a digital LED display and sweeping LED 'needle' that changes colors as AFR changes from rich to lean. A 52mm (2-1/16") gauge housing ...

There’s nothing worse than blowing your tuned engine because of poor maintenance or ignorance of a problem. But if you’re not monitoring your air/fuel ratios (AFR) in real-time, you could potentially ...

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 ...