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High-performance builds live and die by how well the fuel system keeps up with the rest of the hardware. Big camshafts, aggressive tunes, and turbo- or supercharger boosts all demand precise, consistent fuel delivery. When the system falls short, even the most expensive cylinder heads and intake manifolds cannot make a difference. That is exactly why builders need to avoid common mistakes in high-performance fuel design. Undersizing Fuel Injectors Many builds start strong and then stumble becaus …

There are a lot of good reasons to consider using a carburetor for fueling when swapping to an LS engine. The engine itself doesn’t care whether it achieves it’s ideal fuel ratios through EFI or using a carburetor. Sometimes it’s a matter of familiarity, or the fact that the car already has a carburetor on it, saving an expensive fuel system upgrade. Using an  LS engine with a carburetor isn't about stepping backward into the past; it’s about choosing a different pat …

Upgrading performance parts always brings more power potential to your ride, but it also raises the stakes for how well everything works together. A bigger camshaft, improved intake manifold, or set of ported cylinder heads can transform an engine, but only if the fuel system keeps up. Electronic fuel injection (EFI) acts as the control center, managing how air and fuel mix under all conditions. That’s exactly why it’s important to know how to fine-tune EFI systems for peak efficienc …