SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
9 Symptoms of a Bad Fuel Pressure Regulator (&How to Fix It)
Is a bad fuel pressure regulator causing your engine problems? This expert guide covers the 9 key symptoms to look for and provides a step-by-step guide on how to diagnose...
Automatic Locking Hubs: Symptoms, Diagnosis & Maintenance Guide
A complete guide to automatic locking hubs on 4x4 trucks, including how they work, common problems, symptoms of failure, and practical tips for diagnosing and maintaining hub performance.
Dodge Charger Oil Cooler Leak: Aluminum Housing Upgrade Guide
Learn why upgrading your Dodge Charger 3.6L oil cooler from plastic to aluminum enhances durability, prevents leaks, improves thermal management, and saves money. Includes torque specs, installation tips, and DIY...
5 Things You Need To Know About Mufflers (Before You Cut Your Exhaust)
Factory mufflers choke your engine. Learn the difference between absorption and reflection mufflers, how to avoid drone, and why material selection matters. Upgrade your sound and performance the right way....
Serpentine Belt 101: When and Why to Replace It
Updated on August 23, 2026. That squeal you hear on a cold startup isn't your imagination, and it isn't going to fix itself. Under the hood of just about every...
10 Winter Truck Preparation Checks Before Snow and Subzero Starts
Prepare your vehicle for winter with practical tips for safety and performance.
Engineer’s Guide: How Turbochargers Work & Why They Grenade
Engineer John Lee breaks down turbocharger mechanics and diagnoses the four most common causes of turbo failure, from oil starvation to foreign object damage. Learn how to keep your boost...
What Fuel Line Do You Need to run with E85 and Ethanol, or Methanol Fuel?
Updated on July 17, 2026. E85, ethanol blends, and methanol do not treat fuel hose like pump gasoline does. On a boosted street truck, LS swap, weekend drag rig, or...
How Does an Oil Catch Can Work? Diesel and GDI Owner Guide
Factory emissions systems are choking your engine. Engineer John Lee explains how a baffled oil catch can prevents carbon buildup and protects your GDI or Diesel vehicle from performance loss....
A Beginner’s Guide to Your Vehicle’s Exhaust System
Updated on June 2, 2026 for exhaust system basics, warning signs, repair guidance, and upgrade planning. Quick answer: Your vehicle’s exhaust system moves hot combustion gases away from the engine...
FEATURED PRODUCTS
