Transmission System Blogs
Get under the truck with real-world transmission know-how, from how the system works and where it breaks to smarter upgrades, maintenance tips, and diesel performance tuning.
High-Mileage Diesel Drivetrain Failure: Differential Noise, a Broken Mount, and Seized Suspension
An engineering analysis of a burnout truck teardown explaining how grease, overheating, and driveline misalignment led to differential failure—and the upgrades that could have prevented it.
Ford F-250 Rear Differential Upgrades: A Complete Owner’s Guide
Do you actually need a diff upgrade? An engineer analyzes thermal stress, regearing for 35” tires, and Sterling axle specs to help you build a reliable F-250 workhorse.
Ram 2500 AAM 9.25 Front Differential Cover: Fitment, Clearance, and Install Guide
Is a $400 diff cover necessary for your front axle? We analyze the engineering behind SPELAB vs. Banks for the Ram 2500, focusing on clearance, leaks, and real-world value.
Lifted Duramax Differential Cover Guide: AAM Fitment, Fluid Level, and Installation
A real-world lifted Duramax build shows how a performance differential cover improves cooling, protection, and serviceability compared to the factory diff cover.
Why Is My 6.7L Powerstroke Losing Coolant Near the Reservoir?
The OEM plastic 6.7L Powerstroke coolant reservoir is prone to cracking. Learn why the Y-pipe fails and how SPELAB’s aluminum upgrade provides a permanent, leak-free solution for 2011-2016 trucks.
Why Is My 6.0L or 6.4L Powerstroke Losing Coolant?
Factory plastic coolant tanks on Ford 6.0L and 6.4L engines fail due to pressure spikes. This engineer’s guide explains the cracks and details the permanent aluminum reservoir solution.
Fix Duramax Low Coolant Level Warning: LB7-LML Tank Guide
Stop false coolant warnings. This engineer’s guide explains why OEM plastic Duramax reservoirs crack and how upgrading to an aluminum tank permanently fixes the issue for LB7, LMM, and LML...
F-150 Differential Cover Buying Guide (Front & Rear Axles)
Author: John LeeMechanical Engineer | 10+ Years Drivetrain Experience I’ve spent the last decade designing and testing high-load automotive components. Factory parts are rarely “bad,” but they are built to...
Why Upgrade Your Differential Cover?
Is your stock diff cover a ticking time bomb? We break down the real-world benefits of upgrading to Billet Aluminum: cooler gears, bulletproof strength, and zero leaks. Don't let a...
How SPELAB Differential Cover Solve Dodge Ram Cooling and Maintenance Headaches
YouTuber @Brandon24v hated his stock diff cover's flaws. See why he calls the SPELAB aluminum cover a "game-changer" for its easy maintenance, superior cooling, and rugged durability.
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