Spelab NEWs
Get the latest SPELAB product releases, engineering updates, testing insights, industry trends, and company announcements for performance-focused automotive enthusiasts.
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?
Updated on Sep 6, 2026. Quick Answer A 2007-2024 Ram truck with a 6.7L Cummins does not need an EGR delete to use the correct SPELAB intake horn. An emissions-intact...
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...
LS Intake Manifold and Throttle Body Matching: 3-Bolt, 4-Bolt, 75mm and 92mm
Updated on August 03, 2026. Matching an LS intake manifold to a throttle body starts with the cylinder-head ports, flange, control system, and fuel hardware - not the largest bore...
What Is an Air Intake Manifold? Diesel Truck Function, Leaks, and Upgrades
Updated July 14, 2026. On a diesel pickup, the intake manifold is the last major air passage before the cylinder-head ports. It has to distribute charge air without leaking when...
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...
How to Clean a Diesel Intake Manifold: Step-by-Step Guide
Updated on May 8, 2026. A dirty intake manifold can restrict airflow, reduce throttle response, increase soot buildup, and trigger sensor or EGR-related issues—especially on diesel trucks like the 6.7...
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