2019 test3 products
Which Penetrating Oil Brand Wins?
- 1Gibbs
- 2SeaFoam Deep Creep
- 3Liquid Wrench
Project Farm's Penetrating Oil Tests: Every Result Ranked
Project Farm has run penetrating oils and fluids against rusted, seized fasteners to see which actually breaks them free. Here is every penetrating oil matchup on the index, ranked as the test found it, with links to our write-up and the original video.
What the test measured
The tests measure the torque needed to break a rusted fastener loose after each product soaks in, using controlled, repeatable rusted-bolt setups so the comparison is apples to apples. Products below follow their finishing order.
Brands the tests ranked first
How often each brand took the top spot across these tests.
- 1SeaFoam2 wins
- 2Gibbs1 win
- 3Liquid Wrench1 win
Every result, ranked
Each block shows how the test finished. Open our write-up for the full measured table, or watch the original video.
2019 test6 products
Which Penetrating Oil Brand Wins?
- What the test ranked first
- Test winnerGibbs
- What the test placed second
- Runner-upFreeAll
- 1Gibbs
- 2FreeAll
- 3Mouse Milk
- 43-in-One Oil
- 5Diesel
- 6Water
2018 test3 products
Which Penetrating Fluid Brand Wins?
- What the test ranked first
- Test winnerSeaFoam Deep Creep
- 1SeaFoam Deep Creep
- 2Candle wax
- 3Liquid Wrench
2018 test11 products
Which Penetrating Oils Brand Wins?
- 1Royal Purple Max Film
- 2Fluid Film
- 3Seafoam Deep Creep
- 4WD-40
- 5Liquid Wrench
- 6WD-40 Rust Specialist
- 7CRC Knock'er Loose
- 8BG In-Force
+ 3 more in the full measured results
2018 test6 products
Which Penetrating Fluid Brand Wins?
- What the test ranked first
- Test winnerSeaFoam Deep Creep
- What the test placed second
- Runner-upCRC Knock'er Loose
- 1SeaFoam Deep Creep
- 2CRC Knock'er Loose
- 3Brake Fluid DOT 3
- 4WD-40 Rust Specialist
- 5BG In-Force
- 6Fluid Film
2018 test6 products
Which Penetrating Oil Brand Wins?
- What the test ranked first
- Test winnerLiquid Wrench
- What the test placed second
- Runner-upATF/Acetone
- 1Liquid Wrench
- 2ATF/Acetone 1:1 homemade mix of synthetic automatic transmission fluid and acetone
- 3Royal Purple Max Film
- 4WD-40
- 5PB Blaster
- 6Kroil AeroKroil