HPI Performance Tech Center

2017–2024 LT4 Standalone Harness FAQ: Everything You Need to Know Before Your Swap

Posted by donald blatz on

2017–2024 LT4 Standalone Harness FAQ: Everything You Need to Know Before Your Swap

Learn how a 2017–2024 LT4 standalone wiring harness simplifies engine swaps. Get answers about LT4 wiring, 10L90E integration, installation, tuning, and common swap questions.

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HPI 105MM Throttle Body Universal | FAQ, Benefits & Performance Guide

Posted by donald blatz on

HPI 105MM Throttle Body Universal | FAQ, Benefits & Performance Guide

Learn how a 105mm throttle body improves airflow, throttle response, and horsepower. Discover applications, FAQs, and performance benefits of the HPI 105MM Universal Throttle Body.

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LS, Coyote, or HEMI Swap? Choosing the Right Wiring Harness for Your Engine Build

Posted by donald blatz on

LS, Coyote, or HEMI Swap? Choosing the Right Wiring Harness for Your Engine Build

Compare LS, Coyote, and HEMI standalone wiring harnesses. Learn how to choose the right harness for your swap and avoid costly wiring mistakes.

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Common Coyote Swap Wiring Problems and How to Avoid Them

Posted by donald blatz on

Common Coyote Swap Wiring Problems and How to Avoid Them

Discover the most common Ford Coyote swap wiring problems, including no-start conditions, drive-by-wire issues, sensor faults, and harness mistakes. Learn how to avoid costly wiring errors.

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Standalone Wiring Harnesses Explained: What They Are and Why Engine Swaps Need Them

Posted by donald blatz on

Standalone Wiring Harnesses Explained: What They Are and Why Engine Swaps Need Them

Learn what a standalone wiring harness does, why it matters for LS, Coyote, and HEMI swaps, and how it simplifies installation, tuning, and reliability.


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