Engine and car experiments
Newest test · May 2026I Improved MPGs by 22.4%! Don’t Get Scammed and Do What Works!See every product and resultEarlier tests
Shop Wants $12,915 for Repairs! Can It Be Fixed for $1500?Jul 2024 · 8 tested
Most Reliable 200K Mile Car? Let's Settle This!Apr 2024 · 10 tested
Did I Waste $4000 on a DIY Transmission Rebuild (47RE)?Dec 2023 · 5 tested
Did I Waste $5000 on Engine Parts? More HP & MPGs?Oct 2023 · 4 tested
Do Electric Turbos Actually Work? Let's find out!Dec 2019 · 0 tested
Jet Fuel in See-Thru Rotary Engine? Let's try it! Wankel Rotary See Through EngineJun 2019 · 0 tested
Will the 4-Stroke Bike Survive Nitrous Oxide? Let's find out!Dec 2018 · 1 tested
Are 4-Stroke Bike Kits better than 2-Stroke Kits? Let's find out!Oct 2018 · 2 tested
Crude Oil as Fuel? Let's find out!Sep 2018 · 0 tested
Zippo Lighter Fluid as Fuel in a Gasoline Engine? Let's see what happens!Aug 2018 · 0 tested
How long will a 3D printed cylinder head last? Let's find out!Aug 2018 · 0 tested
How Long Will A Wood Cylinder Head Last? Ipe vs Walnut! Let's find out!Apr 2018 · 0 tested
Are 2-Stroke Bicycle Engine Kits worth it? Let's find out!Apr 2018 · 2 tested
Will a Gas Engine Run on Kerosene? Lets try it!Mar 2018 · 1 tested