Spelab NEWs
Get the latest SPELAB product releases, engineering updates, testing insights, industry trends, and company announcements for performance-focused automotive enthusiasts.
How to Clean 6.7 Cummins Valve Cover Before Painting: A DIY Guide
Updated on January 6, 2026 by John Lee TL;DR Cleaning and painting the 6.7 Cummins valve cover protects the aluminum and enhances appearance. Remove the valve cover safely, degrease it,...
How to Detect and Fix a Blown 6.7 Cummins Intake Manifold Gasket
The 6.7 Cummins engine is a legendary workhorse, but like any machine, it has its weak points. One component that often goes unnoticed until it fails is the intake manifold...
3.5'' Intake Manifold VS 6.7 Cummins Intake Horn upgrade
Torn between the 3.5" Intake and the Upgrade Horn? We compare airflow (CFM), installation difficulty, and towing performance to help you choose the right 6.7 Cummins upgrade.
6.7 Cummins Intake Horn Upgrade: Should You Delete the EGR System?
TL;DR: You do not need to delete the EGR system to install the SPELAB 6.7 Cummins Intake Horn—it works with both setups. Delete EGR: Best for maximum airflow, a cleaner...
6.7 Cummins Intake Horn Upgrade: Should You Delete the Grid Heater?
Deciding on a grid heater delete? Learn why the stock heater chokes your 6.7 Cummins and how to upgrade airflow safely without losing cold-start ability.
How to Prevent the Dreaded 6.7 Cummins Grid Heater Bolt Failure Accident?
Author: John Lee, SPELAB Mechanical Engineer. Updated on May 12, 2026. Quick Answer: How Do You Prevent 6.7 Cummins Grid Heater Bolt Failure? The best way to prevent 6.7 Cummins...
2001-2016 Duramax 6.6L Exhaust Manifold and Upper Intake Kit Instructions
Updated on June 2, 2026. Installation guide for 2001–2016 GM 6.6L Duramax LB7, LLY, LBZ, LMM, and LML diesel engines. Quick answer: This guide covers installation notes for the SPELAB...
Intake Manifold 92 to 75 Throttle Body Adapter: Your Ultimate Guide
Alright, let's talk about getting more oomph out of your engine. A big part of that is messing with the intake system – you know, the air intake manifold and...
What is an Air Intake Manifold?
I. Introduction-Air Intake Manifold If you own a car, you’ve probably heard of an air intake manifold—but do you know what it actually does? This vital engine component is responsible...
N55 Victor Reinz vs. Febi Valve Cover: Which One is Best for Your BMW?
TL;DR BMW N55 valve covers often fail due to plastic brittleness, PCV valve issues, and aging gaskets. For budget-friendly replacement, Victor Reinz works but may need PCV upgrades. For long-term...
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