Vehicle modifications - OilSpec Guide

OEM Approvals

How OEM Approvals Handle Turbo DI Engines Differently

An OEM approval process for turbo DI engines ensures standards are met, but how does it handle modifications and upgrades? Continue reading to find out.

OilSpec Guide Team
February 26, 2026

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Vetted

15 Best Heavy Duty Rotary Polishers for 2026

Great options await in our list of the 15 best heavy-duty rotary polishers for 2026,…

OilSpec Guide Team
March 23, 2026

Vetted

10 Best Drum Heater Bands for Motor Oil in 2026

Best drum heater bands for motor oil in 2026 offer safe, efficient heating…

OilSpec Guide Team
March 23, 2026

Label & Documentation

Why Some Labels List ACEA but Not API (and What That Suggests)

The reason some motor oil labels list ACEA but omit API ratings hints at underlying…

OilSpec Guide Team
March 23, 2026

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15 Best Automotive Diagnostic Scan Tools for Shops in 2026

Unlock the top 15 automotive diagnostic scan tools for shops in 2026 that could…

OilSpec Guide Team
March 22, 2026