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Standards & Tests

53 posts
  • Standards & Tests

What ‘SAPS’ Does to Aftertreatment: The Plain-English Mechanism

saps enhances exhaust cleaning
Discover how SAPS controls exhaust chemicals to protect your vehicle’s aftertreatment system and why it’s essential for optimal engine performance.
  • OilSpec Guide Team
  • February 17, 2026
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  • Standards & Tests

Detergency vs Deposit Control: The Standards Vocabulary Cheat Sheet

cleaning standards and deposit management
Cleverly understanding detergency and deposit control standards helps you choose the right cleaning solutions—discover the key differences and why they matter.
  • OilSpec Guide Team
  • February 17, 2026
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  • Standards & Tests

Do Standards Measure Sludge? Yes—Here’s How to Think About It

standards quantify sludge levels
While standards do measure sludge to ensure safety and compliance, understanding the methods and implications will help you make informed decisions.
  • OilSpec Guide Team
  • February 16, 2026
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  • Standards & Tests

Friction Tests in Oils: Why Two Oils Can Both ‘Pass’ but Feel Different

oil friction test variations
Understanding why two oils pass friction tests yet feel different reveals the complex interplay of formulation details and additives.
  • OilSpec Guide Team
  • February 16, 2026
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  • Standards & Tests

Timing Chain Wear Tests: The Quiet Spec You Should Know About

timing chain durability testing
Ongoing timing chain wear tests reveal crucial insights that could save your engine—discover what you need to know before it’s too late.
  • OilSpec Guide Team
  • February 15, 2026
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  • Standards & Tests

What ‘LSPI Protection’ Means in Modern Standards

liability safety protocols implemented
Narrowly defined as LSPI protection in modern standards involves critical measures to ensure engine safety and reliability, but there’s much more to understand.
  • OilSpec Guide Team
  • February 15, 2026
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  • Standards & Tests

Sulfated Ash Limits: Where the Number Comes From

sources of sulfated ash limits
Navigating sulfated ash limits reveals the complex research and regulations shaping fuel standards, highlighting why these numbers matter for engine health and compliance.
  • OilSpec Guide Team
  • February 14, 2026
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  • Standards & Tests

Phosphorus Limits Explained: Why ‘More ZDDP’ Isn’t Always Better

optimal phosphorus content levels
Just understanding phosphorus limits reveals why more ZDDP isn’t always better for your engine and the environment.
  • OilSpec Guide Team
  • February 14, 2026
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  • Standards & Tests

Why ‘ACEA Approved’ Isn’t a Thing the Same Way OEM Approved Is

acea approval not oem
Narrowing the difference between ‘ACEA Approved’ and OEM approval reveals why understanding their distinct standards is crucial for your engine’s performance.
  • OilSpec Guide Team
  • February 13, 2026
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  • Standards & Tests

CCS vs MRV: The Cold Tests That Predict Cranking vs Pumping

cold testing methods comparison
Optimize your understanding of CCS and MRV cold tests to determine whether cranking or pumping is needed—discover how they influence system startup success.
  • OilSpec Guide Team
  • February 13, 2026
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The AI Boom Is Making Ordinary Car Parts Harder To Get, Rivian Says
  • General

The AI Boom Is Making Ordinary Car Parts Harder To Get, Rivian Says

Rivian says AI demand is making memory chips and circuit-board materials harder to…
  • OilSpec Guide Team
  • November 12, 2026
15 Best Cordless Electric Ratchets for Automotive Repairs in 2027
  • Vetted

15 Best Cordless Electric Ratchets for Automotive Repairs in 2027

Compare 15 cordless electric ratchets by drive size, reach, battery platform, speed…
  • OilSpec Guide Team
  • November 12, 2026
Automotive Garage Fluid Handling Checklist 2026
  • Vetted

Automotive Garage Fluid Handling Checklist 2026

This checklist is for drivers and home garage users who want to…
  • OilSpec Guide Team
  • November 12, 2026
15 Best Automotive Scan Tools for DIY Diagnostics in 2027
  • Vetted

15 Best Automotive Scan Tools for DIY Diagnostics in 2027

Compare 15 automotive scan tools by diagnostic coverage, bidirectional controls,…
  • OilSpec Guide Team
  • November 12, 2026
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