SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
Get Ready! The Biggest Engine Performance Parts Black Friday Sale 2025 is Coming
SPELAB's massive Black Friday 2025 sale starts November 5th. This guide details the best performance part deals for Ford Powerstroke, Chevy Duramax, and Ram Cummins trucks. Prepare your wishlist now...
Why Every Powerstroke Owner Should Consider a CCV Delete Kit
Mark is an experienced trailer transport operator who drives a 2015 F-350 with the 6.7L Powerstroke. One cold morning, he smelled a strong odor of oil from under the hood....
Do Muffler Delete Effect Gas Mileage?
Updated: May 18, 2026 A muffler delete is one of the most popular exhaust mods because it is simple, affordable, and instantly changes how a vehicle sounds. But when owners...
Why You Should Replace Your OEM Coolant Reservoir – The SPELAB Solution
Currently we see too many forums and discussions from enthusiasts about coolant leaks, loose coolant cap seals, OEM overflow jugs creating swells and cracks, EGR cooler failures, and more. Don't...
What Is a Manifold on a Car? Your Complete Guide to Air Intake Manifolds
The intake manifold is your engine's lungs. This guide explains how it works, common failure symptoms like coolant leaks, and why upgrading from plastic to aluminum boosts performance and longevity....
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...
Diesel DPF Systems Explained: Physics & Performance
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...
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