Challenger Mod Blog
Expert guides, safety tips, and build advice for your 2022 Dodge Challenger.
Buyer's Guide
How the HEMI's Fuel Injection System Works: Port vs Direct Injection
Understanding your HEMI's injection system helps you make better decisions about fuel, maintenance, and modifications.
Apr 18, 2026
fuel-injection, port-injection
How-To
Challenger Coil Pack and Ignition Coil Replacement Guide
Failing ignition coils cause misfires and rough idle. Here's how to diagnose and replace them on the HEMI.
Apr 18, 2026
ignition-coil, COP
Buyer's Guide
Understanding HEMI Compression Ratios: How They Affect Tune and Fuel
Compression ratio determines octane requirements, power potential, and how your HEMI responds to forced induction.
Apr 18, 2026
compression-ratio, octane
Buyer's Guide
Challenger Oil Cooler Upgrade: Do You Need One?
Track driving and sustained high loads raise oil temps on the HEMI. An oil cooler prevents thermal breakdown — here's what to know.
Apr 18, 2026
oil-cooler, oil-temp
How-To
Challenger Cold Start Issues: Why It Idles Rough Until Warm
A rough cold start on the Challenger is usually normal engine behavior — but sometimes it signals a real problem. Here's how to tell the difference.
Apr 18, 2026
cold-start, rough-idle