SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
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...
Car Muffler Guide: How It Works, Bad Symptoms, and When to Replace It
Updated on May 31, 2026. If your car suddenly sounds louder, rattles under the rear bumper, or smells like exhaust after startup, the muffler is one of the first parts...
What Does an Oil Pan Do? A Guide for Your Truck's Engine
A stock oil pan risks your engine's health. Discover how a performance oil pan upgrade prevents oil starvation and overheating, boosting your truck's durability, cooling, and long-term reliability. A smart...
Valve Cover Replacement Guide for 6.7L Cummins & PowerStroke Engines
Fix 6.7L Cummins and PowerStroke oil leaks with this valve cover replacement guide. Covers diagnosis, removal steps, torque specs, and why upgrading to aluminum covers prevents future failures.
Does Long Idling Cause Carbon Buildup? Diesel Idle, CCV, and Intake Deposit Guide
Does idling harm your engine? Not in the way you think. This guide debunks the carbon buildup myth, explains the real problem with your PCV system, and shows you how...
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