Aftermarket EFI Systems: How to Choose the Right Fuel Injection Upgrade for Your Build
Aftermarket EFI systems are not one-size-fits-all, the correct system for a 350 cubic inch street cruiser is a different specification entirely from what a 496 big block strip car or a high-revving import engine requires. Getting that choice right before ordering saves time, money, and the frustration of retrofitting components that do not suit the […]
What Is a Fuel Injection System? How EFI Works and Why It Outperforms a Carburetor
A fuel injection system is an electronically controlled method of delivering pressurised fuel directly to each cylinder, replacing the vacuum-driven, venturi-based fuel metering of a carburetor with precision injection events timed and sized by an onboard ECU. For builders evaluating an upgrade, that distinction matters in every measurable way: cold start reliability, altitude compensation, throttle […]
Porsche EFI Conversion: Upgrading European Classics to Fuel Injection Without Losing Their Character
A Porsche EFI conversion replaces the original carburetors or mechanical injection with a modern electronic fuel injection system while retaining the engine’s individual throttle body architecture, preserving both the performance character and the visual integrity of the original build. For Porsche 911 and 912 owners, and Ferrari 308 and 328 collectors, the conversion addresses a […]
Big Block Chevy EFI Conversion: Throttle Body Sizing, Intake Selection, and Tuning for 454 and 496 Builds
Big block Chevy EFI conversions require a minimum 90mm throttle body, injectors sized for at least 80% duty cycle at peak demand, and fuel delivery capable of sustaining 600 to 800-plus horsepower without pressure drop. A BBC does not tolerate the undersized hardware that works on a small block. The displacement, the airflow requirements, and […]
From Rolls-Royce to Restomod: The Engineering Story Behind Borla Induction
When most builders think of Borla, they think exhaust. The deep, distinctive tone of a Borla cat-back is one of the most recognised sounds in the performance aftermarket. But for a growing number of engine builders, fabricators, and restomod specialists, Borla means something else entirely: the most serious individual throttle body induction systems available for […]
Throttle Body Injection vs. Multi-Port EFI: Which Fuel Injection System Is Right for Your Build?
When you’re pulling a carburetor off a classic V8 and staring at a bare intake manifold, the next question hits fast: which fuel injection system actually makes sense for this build? The debate between throttle body injection systems and multi-port EFI is one of the most common decision points for builders upgrading classic cars, hot […]
5 Performance Intake Manifold Upgrades Worth Considering This Winter
What You’ll Learn Why the winter “off-season” is the strategic window for induction overhauls. The technical differences between street, strip, and race-spec intake designs. How to match your manifold choice to your existing fuel injection systems. Five specific upgrade paths to ensure your build is ready for the spring thaw. While February usually finds […]
How to Winterize Your EFI System and Protect Your Investment
Expert Tips for Winterizing Your Aftermarket EFI System Fuel Stabilization is Non-Negotiable: Modern ethanol-blended fuels are hygroscopic (they attract water), which can wreak havoc on high-pressure fuel injection systems during long-term storage. Seal and Protect: Protecting electrical connectors from corrosion and sealing the throttle body from moisture and pests is critical for a “first-key” start […]
Holiday Gift Guide: Top EFI & Throttle Body Upgrades for the Gearhead in Your Life
Key Takeaways The holidays are fast approaching, and if there’s a gearhead in your life, you know their wish list probably involves more horsepower, better performance, and the sweet rumble of a finely tuned engine. This year, move beyond novelty socks and give the gift that truly builds excitement: a Borla EFI or throttle body […]
EFI for SBC and BBC Engines: What Fits and What Fails
Key Takeaways As a specialist working daily with high-performance vehicles, few engines define the American muscle landscape like the Small Block Chevy (SBC) and the Big Block Chevy (BBC). They are the backbone of the aftermarket industry. The shift from classic carburetion to modern fuel injection systems is the most significant performance upgrade an owner […]

