SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
5.9 vs 6.7 Cummins: Reliability, Towing, and Buying Checks
Updated on August 02, 2026. A 5.9L Cummins is the practical choice for a simpler project truck when you accept old-chassis repairs and lower factory torque. A 6.7L Cummins is...
6.7 Cummins EGR Cooler Symptoms: Diagnose Before You Delete
Updated on August 14, 2026. Ask around any 6.7 Cummins forum long enough and you'll hear the same story: a truck starts smelling sweet out the tailpipe, coolant keeps disappearing...
EGR in America: How 50 Years of NOx Rules Shaped Every Diesel Pickup You Can Buy
Updated on August 05, 2026. Exhaust gas recirculation showed up on American engines for one reason: federal NOx limits. An EGR system routes a metered slice of exhaust back into...
Can You Delete EGR Without Deleting DPF?
Learn whether you can delete EGR without deleting DPF, what risks it creates, how tuning affects DPF regeneration, and what diesel truck owners should know before modifying emissions systems.
DPF Problems vs EGR Problems
Updated on July 19, 2026. DPF and EGR deletes are emissions-system changes that remove or disable parts of a modern diesel aftertreatment and recirculation strategy; they are not a cure-all...
6.4 Powerstroke Delete Kit Pros and Cons: Reliability, Tuning & Piston Risks
An engineer’s breakdown of 6.4 Powerstroke delete pros and cons. We analyze the reliability and MPG gains versus the critical risk of cracking factory pistons with aggressive tuning.
EGR Delete Kit Guide: Diagnosis, Fitment, Power Claims, and Legal Risks
An EGR delete is an inexpensive way to increase performance and extend engine life. This guide covers how it works, the benefits like more horsepower and better MPG, and important...
Why EGR Coolant Leak and How to Fix That?
Learn why EGR coolant leaks happen and how to fix them effectively.
What is the DPF? How can you benefit from a DPF Delete?
Is your diesel truck stuck in constant regeneration? Are you seeing warning lights or feeling a loss of power? The factory Diesel Particulate Filter (DPF) might be choking your engine....
Diesel Intake Carbon Buildup: EGR Soot vs. CCV Oil Vapor
Updated on August 17, 2026. Guys throw around "carbon buildup" like it's one problem with one fix, and that's how you end up buying a catch can expecting it to...
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