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Automotive Fluids & Additives

60 tests across 6 categories

Recent in this group

Jul 2026 · 6 tested

Are Motor Oil Additives A Scam? ProLube, Lucas, Archoil, Liqui Moly MOS2 and Bestline

Motor Oil

May 2026 · 10 tested

I Improved MPGs by 22.4%! Don’t Get Scammed and Do What Works!

Fuel & Fuel Economy

Apr 2026 · 2 tested

Please Never Use These 5 Additives! Major Engine Damage! (Sand vs Anti-Seize Test)

Oil & Engine Additives

Oct 2025 · 13 tested

After 5 Years, I Found The Only Fuel Stabilizer That Works!

Oil & Engine Additives

Sep 2025 · 10 tested

I've Never Seen A Plastic Car Trim Restorer This Good! Wow!

Oil & Engine Additives

Red Line Supercool

Mar 2025 · 10 tested

Do "Super Coolants" Lower Engine Temperature By 30 Degrees?

Oil & Engine Additives

Jan 2025 · 5 tested

Are All Motor Oils the Same? Let’s Find Out!

Motor Oil

Hot Shot’s Secret

Jan 2025 · 15 tested

Are Diesel Anti Gel Fuel Additives a Scam? Let's Settle This!

Oil & Engine Additives

Jul 2024 · 7 tested

How Dangerous is Fake Car A/C Refrigerant? Let's Find Out!

Transmission Fluid & Coolant

Jun 2024 · 5 tested

How Bad Are Cheap "Diesel" Motor Oils? $14 vs $58

Motor Oil

Mar 2024 · 3 tested

How Bad Is OEM Motor Oil? Honda vs Toyota vs ACDelco?

Motor Oil

Sep 2023 · 4 tested

Will Thin Motor Oil Cause Engine Damage? Let's Settle This!

Motor Oil