SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
How To Delete Grid Heater On 6.7 Cummins (Complete Installation Guide)
Author: John Lee, SPELAB Mechanical Engineer. Updated on May 12, 2026. Quick Answer: Should You Delete the Grid Heater on a 6.7 Cummins? A 6.7 Cummins grid heater delete or...
Fuel Pressure Regulator Demystified: Restore Your Diesel's Performance
Experiencing a loping idle or hard starts? Discover the 6 signs of a bad Fuel Pressure Regulator (FPR) on diesel engines and how to fix it to prevent expensive injector...
What Is an EGR Delete? An Engineer’s Guide to Function, Performance & Reliability
Go beyond the forums. An experienced engineer breaks down the physics of EGR deletes, explaining how they impact airflow, combustion efficiency, and engine longevity—separating real performance gains from the myths.
How To Remove Your 6.7 Cummins DPF and EGR
Author: John Lee, SPELAB Mechanical Engineer. Updated on May 12, 2026. Quick Answer: What Should You Know Before Removing the DPF and EGR on a 6.7 Cummins? A 6.7 Cummins...
What Is DPF Delete? Diesel Truck Guide, Risks, and Fitment Basics
Explore the engineering and physics behind diesel particulate filters (DPF). Learn how soot formation, thermal regeneration, and exhaust backpressure impact modern diesel engine performance, and what mechanical changes occur during...
6.7 Cummins EGR Delete Kit Guide: Benefits, Risks, Codes, and Fitment
Updated July 14, 2026. If you are looking at an EGR delete for a Dodge Cummins, there is a good chance the truck has already given you a reason: soot-packed...
Why Diesel Pickups Use Turbochargers, Not Superchargers
Diesel pickups use turbos because they match heavy towing, low-RPM torque, charge-air cooling, and factory HD truck design better than superchargers.
The Ultimate Guide to Truck Deletion: What It Means and Why People Do It
Updated: May 19, 2026 “Deleting a truck” usually means removing, bypassing, or disabling factory emissions-related systems on a diesel pickup. The phrase is most often used for EGR delete, DPF...
6.7 PowerStroke EGR Delete: Pros, Cons, and Real-World Truths
P0401 code haunting you? Decide between fixing or deleting. We analyze the reliability gains, performance benefits, and legal trade-offs of a 6.7L PowerStroke EGR delete for off-road use.
Duramax L5P EGR Delete Guide: Benefits, Risks, Tuning, and Install Reality
Unlock your L5P Duramax's potential. Learn the benefits, risks, and installation steps for an EGR delete kit to lower EGTs and prevent soot buildup on 2017-2023 models.
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