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Viscosity & Grades

32 posts
  • Viscosity & Grades

Shear Stability: How to Think About Long-Drain Oils

long drain oil shear stability
Shear stability impacts long-drain oils’ performance—discover how to select oils that maintain viscosity and protect your engine over extended intervals.
  • OilSpec Guide Team
  • March 16, 2026
View Post
  • Viscosity & Grades

Viscosity and Fuel Dilution: Why Thin Oil Can Be a Symptom, Not a Choice

thin oil indicates potential contamination
Meta description: “Many drivers overlook thin oil signs, but understanding viscosity and fuel dilution reveals why this issue may indicate deeper engine problems needing attention.
  • OilSpec Guide Team
  • March 15, 2026
View Post
  • Viscosity & Grades

Cold Start Wear: The Viscosity Myth That Keeps Coming Back

cold start viscosity myth
How viscosity influences cold start wear may surprise you, revealing why thicker oils aren’t always the best choice for engine protection.
  • OilSpec Guide Team
  • March 15, 2026
View Post
  • Viscosity & Grades

Why Your Oil Pressure Drops Hot: The Viscosity Connection

oil viscosity affects pressure
Curious why oil pressure drops when hot? Discover how viscosity affects your engine’s performance and what you can do next.
  • OilSpec Guide Team
  • March 14, 2026
View Post
  • Viscosity & Grades

Oil Pressure vs Oil Flow: Why Higher Pressure Isn’t Always Better

optimal oil pressure flow
Meta description: “Many drivers assume higher oil pressure equals better engine protection, but understanding the difference between pressure and flow reveals crucial insights for avoiding damage.
  • OilSpec Guide Team
  • March 14, 2026
View Post
  • Viscosity & Grades

High Mileage Engines: When a Step Up in Viscosity Helps (and When It Hurts)

choosing the right oil
No one-size-fits-all answer exists; understanding when a viscosity increase benefits or harms your high-mileage engine requires careful consideration.
  • OilSpec Guide Team
  • March 13, 2026
View Post
  • Viscosity & Grades

Viscosity Spread: Why ‘0W-40’ Is Harder to Formulate Than You Think

complexity of oil viscosity
Great viscosity control in 0W-40 oils hinges on balancing cold-start flow and high-temperature stability, but the complexities behind this challenge are more than you think.
  • OilSpec Guide Team
  • March 13, 2026
View Post
  • Viscosity & Grades

Multigrade Oils: How One Oil Can Behave Like Two Grades

dual grade oil behavior
Sensing the magic behind multigrade oils reveals how one formula adapts to temperature changes, ensuring your engine stays protected—discover how it works.
  • OilSpec Guide Team
  • March 12, 2026
View Post
  • Viscosity & Grades

0W-8 and Ultra-Low Viscosity: What Must Be True Before It’s Safe

low viscosity safety requirements
Ultra-low viscosity oils like 0W-8 must prove stability, compatibility, and safety before use—discover what tests ensure they won’t fail under stress.
  • OilSpec Guide Team
  • March 12, 2026
View Post
  • Viscosity & Grades

0W-16 Oils Explained: Why Engines Are Moving This Way

advantages of 0w 16 oils
Keen to understand why 0W-16 oils are trending and how they can benefit your engine’s performance? Discover the full story below.
  • OilSpec Guide Team
  • March 11, 2026
View Post
Geely's New EV Charger Is Absurdly Powerful: 2.2 Megawatts
  • General

Geely’s New EV Charger Is Absurdly Powerful: 2.2 Megawatts

Geely has introduced a new electric vehicle charger with a peak power of 2.2 megawatts,…
  • OilSpec Guide Team
  • September 24, 2026
Michelin Surges In Global Coverage
  • General

Michelin Surges In Global Coverage

Search interest in Michelin has spiked, with 97 mentions in recent media…
  • OilSpec Guide Team
  • September 24, 2026
One Dead After Crash On South Lamar Boulevard - KXAN Austin
  • General

One Dead After Crash On South Lamar Boulevard – KXAN Austin

One person died after a crash on South Lamar Boulevard, Austin police confirm.…
  • OilSpec Guide Team
  • September 24, 2026
Car Maintenance Tools: A Halloween Guide
  • Oil Change Tools

Car Maintenance Tools: A Halloween Guide

Discover the must-have car maintenance tools you need to keep your vehicle safe and…
  • OilSpec Guide Team
  • September 23, 2026
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