Beware of tiny metal shavings on your magnetic drain plug—distinguishing normal fuzz from serious issues can save your engine from costly damage.
Magnetic Drain Plugs: How to Tell ‘Normal Fuzz’ From Real Trouble
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Gear Oil & Driveline
29 posts
Break-In for New Gears: The Heat and Debris Pattern You Should Expect
Aiming to understand gear break-in, observe specific heat and debris patterns that reveal proper seating—and knowing what to watch for can prevent issues later.
Friction Modifiers: Why ‘More’ Can Reduce Lock-Up When You Need It
Behind the misconception that more friction modifiers improve grip lies a surprising effect that can actually weaken lock-up—discover why balance matters.
Limited Slip Types Explained: Clutch, Helical, and What Fluids Influence
No matter the limited slip type—clutch or helical—understanding how fluids influence their performance is key to optimal traction and durability.
Spalling vs Pitting vs Scuffing: The Gear Damage Definitions That Matter
Determining whether spalling, pitting, or scuffing is causing gear damage is crucial for proper maintenance—discover the key differences that matter.
Differential Whine: The Diagnostic Tree Before You Blame the Fluid
Before blaming differential fluid, begin with a thorough diagnostic approach to identify the true cause of whine; discover how to avoid unnecessary repairs.
Brass Synchronizers and GL Ratings: The Risk Framed Without Myths
Understanding GL ratings in brass synchronizers reveals hidden risks that could compromise your transmission’s durability—discover what you need to know.
Synchro Materials: Why Some Fluids Cause ‘Notchy’ Shifts
An in-depth look at how incompatible synchro materials and fluids cause ‘notchy’ shifts, revealing key factors that impact smooth transmission performance.
Manual Transmission Fluid vs Gear Oil: The Naming Confusion That Breaks Boxes
The tricky naming of manual transmission fluid versus gear oil can cause confusion, but understanding their differences is key to preventing costly transmission damage.
75W-80 vs 75W-90: The Shift Quality Tradeoff You Feel Immediately
Shed light on the immediate shift differences between 75W-80 and 75W-90 gear oils to choose the best for your driving needs.
