Intake System
Discover intake system technology, airflow optimization, manifold upgrades, cold air strategies, and practical tuning knowledge to improve engine breathing and throttle response.
Diesel Intake Restriction and Snow Ingestion: A Case Study
Engineering case study of diesel intake snow ingestion, explaining air filter collapse, turbo seal risk, and airflow restriction in extreme cold across Powerstroke, Cummins, and Duramax platforms.
6.7 Cummins "Wiggle Bolt" Failure: Diagnostics & Fix Guide
The "Wiggle Bolt" kills engines. Mechanical Engineer John Lee explains why the 6.7L Cummins grid heater fails, how to perform a non-invasive check, and whether you should delete or upgrade...
Ram 2500 & 3500 Intake Horn Guide: 6.7 Cummins Compatibility (07.5-12 vs 13-18 vs 19+)
This guide explains why 6.7 Cummins intake horns are not interchangeable across model years, highlighting sensor differences, fuel line risks, and how to choose the correct fit safely.
6.7 Powerstroke Intake Overhaul: A Real-Life Case Study
A real-world 6.7 Powerstroke case shows how EGR and CCV deletion, high-flow intake, and metal piping prevent carbon and sludge buildup.
Real-World Review: Installing a 6.7 Cummins Intake Horn on a Long-Term Daily Driver
Why did Youtuber @V-BELT and SON finally upgrade his stock 6.7 Cummins? Discover how the SPELAB Intake Horn eliminates the "killer bolt" risk and improves durability for daily drivers.
6.7 Powerstroke Intake Manifold Torque Specs & Installation Sequence (Step-by-Step Guide)
Stop! Don't use foot-pounds on M6 bolts. This guide covers the critical inch-pound torque specs, the center-out tightening sequence, and why upgrading to an aluminum intake prevents future failures on...
Intake Manifold Maintenance Schedule: Signs of Failure & When to Service
Don't wait for a check engine light. Follow our engineer-approved 10k/50k/100k mile maintenance schedule to catch leaks early. Plus, see why upgrading to aluminum is cheaper than repairing stock plastic...
6.7 Cummins Intake horn Guide: Real-World Performance and Reliability
Stop chasing dyno numbers. Discover the best 6.7 Cummins intake manifold for your specific lifestyle—whether you tow heavy loads, brave freezing winters, or just want better throttle response on your...
6.7 Power Stroke Cold Air Intake & Manifold Upgrades: A Mechanic’s Guide to Airflow & Reliability
A mechanic's guide to 6.7 Power Stroke intake upgrades. Prevent plastic manifold cracks, optimize airflow, and lower EGTs under heavy towing.
Stock vs. Aftermarket: Why You Need to Upgrade Your 6.7 Powerstroke Intake Manifold
Stock plastic manifolds are a ticking time bomb. Our lead engineer breaks down the physics of failure—from hoop stress to thermal fatigue—and why upgrading to aluminum is critical for reliability.
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