SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
What is the Most Common Positive Crankcase Ventilation (PCV) System Problem?
Updated: July 8, 2026 The most common Positive Crankcase Ventilation problem is a restricted, stuck, leaking, or oil-contaminated PCV valve or hose. When the PCV system cannot control crankcase vapor...
EGR Delete vs. DEF Delete on 6.7 Cummins: Know the Difference
Last updated: September 10, 2026. People searching "EGR delete vs DEF delete" are usually trying to distinguish two modifications that are often lumped together even though they affect different systems,...
Most Reliable Diesel Engines and Trucks: A Real Owner Buying Guide
Updated July 13, 2026. The most reliable diesel engine is not always the one with the biggest horsepower number. For a truck owner, reliability means cold starts without drama, steady...
Rev Up Your Ride: Understanding the True Expenses of Deleting 6.7 Cummins EGR
This guide breaks down the full cost of a 6.7 Cummins EGR delete. It weighs the performance benefits like increased horsepower against the legal risks, helping you make an informed...
Is an EGR Delete Legal? Laws, Risks & Real-World Implications
This article explains whether an EGR delete is legal, the associated risks, and when it may make sense for off-road or non-emissions-regulated diesel vehicles.
What Happens If You Don’t Change the CCV Filter on a 6.7 Cummins?
A clogged CCV filter on a 6.7 Cummins can cause crankcase pressure, oil seepage, and intake contamination. Learn symptoms, risks, and when to replace it.
EGR Delete for Dodge Ram 6.7L Diesel: Pros and Cons Explained
Updated: May 18, 2026 Considering an EGR delete for your Dodge Ram 6.7L diesel engine? Before buying parts or removing hardware, slow down and diagnose the real problem. The EGR...
What is a Valve Cover Gasket? Functions, Types, and How to Identify Leaks
A complete guide to valve cover gaskets: identifying leak symptoms, DIY replacement steps, repair costs, and why upgrading to aluminum covers fixes Dodge Hemi leaks permanently.
Powerstroke vs Cummins: Which Engine Reigns Supreme?
In the realm of diesel engines, two titans stand tall: Powerstroke and Cummins. The eternal debate rages on: which one reigns supreme? In this comprehensive comparison, we dissect the performance,...
6.7 Cummins Oil Capacity: Quarts, Oil Type & Maintenance Guide
Updated on Sep 4, 2026. Quick Answer: 6.7 Cummins Oil Capacity Most Ram 2500 and Ram 3500 trucks with the 6.7L Cummins diesel engine take about 12 quarts, or 11.4...
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