Fuel System & Delivery · 6 articles
Fuel System & Delivery
Pump flow rates, AN line sizing, return-style conversions, pressure regulators, and injector selection — the unglamorous parts that make or break EFI reliability on the street and strip. We map out what owners consistently call out as failure points and walk you through the specs that actually matter for your horsepower target.
Fuel Pump Flow Rates for EFI Swaps: Matching LPH to Your Horsepower Goal
Choosing the wrong fuel pump is one of the most common — and most fixable — mistakes in an EFI conversion. Here's how to match pump flow rate to your actual
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LS Swap Fuel Rail and Regulator Systems: Building a 58 PSI Return Circuit That Won't Let You Down at the Track
Everything an LS swapper needs to know about building a reliable 58 PSI return-style fuel system — from rail sizing and regulator selection to pump matching
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Fuel Injector Rebuild Kits for LS and Small-Block Swaps: O-Rings, Pintle Caps, and When to Rebuild vs. Replace
Worn injector seals are one of the most overlooked failure points in a carb-to-EFI swap. This guide walks through rebuild kit components, cost math, and the
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6AN PTFE vs. CPE Fuel Line for LS Swaps: What the Braiding Spec Actually Means for E85 Builds
Choosing between PTFE and CPE hose for your LS swap fuel system isn't just a materials question — it's a build-cost and reliability decision. Here's how to
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EFI Fuel Pressure Regulators: Bypass-Return Setup, PSI Ranges, and Why Aeromotive Costs More
Everything you need to know about choosing and sizing an EFI fuel pressure regulator — from bypass-return plumbing basics to why a quality regulator is the
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Replacement Fuel Injector Sets for V8 EFI Builds: Flow Matching, Connector Types, and When to Upgrade
Choosing the right replacement fuel injector set for your V8 EFI build affects everything from idle quality to wide-open-throttle power. This guide covers flow
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