Carburetor Basics 101: A Quick Overview of Primary and Secondary Barrels for Street or Race Applications
There is much to consider when choosing a carburetor for your vehicle. Airflow, choke style, and even the physical height of your carburetor will come into play. But what about the barrels? How do they work? And what type of secondaries do you want? Here are the basics you need to know about primary and
Volumetric Efficiency and What it Means to Performance
Volumetric efficiency is a term that’s tossed around quite a bit when talking about internal combustion engines. However, surprisingly few people understand what volumetric efficiency is and how it actually affects engine performance. In this post, we’ll discuss volumetric efficiency, provide the volumetric efficiency formula, and show some examples of how it applies to specific engine examples.
EFI 101: 3 Reasons to Consider a Self-Learning Fuel Injection System
Tuning is rewarding when you want to do it, but aggravating when you have to do it. Today’s self-learning fuel injection systems give us the best of both worlds. The injection units quickly learn what the engine wants to run at its best and offers additional tools for those who like to tinker. Three things had to happen for




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