Challenger Mod Blog
Expert guides, safety tips, and build advice for your 2022 Dodge Challenger.
How-To
Why Is My Challenger Getting Bad Gas Mileage? Diagnosis Guide
The HEMI isn't known for sipping fuel, but if your Challenger is getting noticeably worse mileage than expected, something is wrong. Here's how to diagnose the most common causes.
Apr 18, 2026
gas mileage, MPG
How-To
Why Does My Challenger Idle Rough When Cold? Common Causes and Fixes
A rough, lumpy cold idle on the Challenger can be alarming — especially if it started after mods. Here's how to distinguish between normal cold-start behavior, MDS quirks, and actual problems that need fixing.
Apr 18, 2026
rough idle, cold start
How-To
Oil Catch Can Guide: Why Every HEMI Needs One
An oil catch can is the most overlooked maintenance upgrade on the Challenger. Without one, blow-by gases coat your intake valves with carbon and gradually rob you of power. Here's what it does and why it matters.
Apr 18, 2026
catch-can, oil-separator
How-To
Spark Plugs and Ignition Coils: The HEMI Ignition Upgrade Guide
The HEMI runs 16 spark plugs — two per cylinder. Knowing when to upgrade, which plugs to choose for your power level, and how ignition coils factor in will save you from misfires and protect your engine.
Apr 18, 2026
spark-plugs, ignition-coils
How-To
Power Steering Fluid Guide: What to Use and When to Change It
The Challenger uses an electric power steering system on most models — no fluid to change. Here's what you need to know.
Apr 18, 2026
power-steering, fluid
How-To
Serpentine Belt Replacement on the HEMI: DIY Guide
How to replace the serpentine belt on a 5.7L or 6.4L HEMI — a straightforward job that saves shop labor costs.
Apr 18, 2026
serpentine-belt, DIY
How-To
Spring Maintenance Checklist: Getting Your Challenger Ready After Winter
A thorough spring inspection catches issues that developed over winter storage and gets your Challenger ready for the driving season.
Apr 18, 2026
maintenance, spring
Buyer's Guide
Summer Heat Tips: Keeping Your Challenger Cool in Hot Weather
High ambient temps stress every system in your Challenger. Here's how to manage heat and prevent problems in summer.
Apr 18, 2026
summer, heat
Buyer's Guide
Road Trip Prep Guide for Your Challenger
A long-distance road trip exposes any weak link in your Challenger. Here's a pre-trip checklist to avoid roadside breakdowns.
Apr 18, 2026
road-trip, maintenance
How-To
Challenger Transmission Fluid: What to Use and When to Change It
Using the correct transmission fluid and changing it on time keeps your TorqueFlite or Tremec healthy.
Apr 18, 2026
transmission, fluid
How-To
Challenger Differential Fluid: When to Change It and What to Use
The rear differential is often neglected — here's the correct fluid, change interval, and signs of trouble.
Apr 18, 2026
differential, gear-oil
How-To
Challenger Wheel Bearing: Symptoms, Diagnosis, and Replacement
A bad wheel bearing makes a distinctive noise that gets worse at speed. Here's how to diagnose and fix it.
Apr 18, 2026
wheel-bearing, noise