Engine options are: 2.7L Nelson I5, 3.5L SuperTwin V6, 4.0 High Offroad I6, 5.0L Femboy V8, or 5.5L Merlani I7 (yes, ...

Robloxia's #5 favorite car.

This engine shows you didnt need eight gears for staging. Just some long gearing and some character.

An X8 using only one crankpin to time 8 cylinders. This thing would probably feel like a cocktail shaker though.

This is the 2026 Formula 1 Power Unit, equipped into a period-correct 2026 car with full race start weight. Based o...

I've been working on this project for around 6 months now but I finally finished it! This is the first ever 2 stroke ...

Used in the Robloxian Crusader and other offroad can-ams

these are used in Robloxian off-roaders and even in some chainsaws and pony motors

Meowl was a Robloxian engine company founded in Robloxia City, Robloxia. Their M-Series consisted of the M10 single-c...

(13/11/2025 V2 Update corrected engine compression ratio by added piston dome cc, adjusted intake cfm, slight sound a...

Unfortunately, I do not know who the original author of this engine is. The original engine was not made by me. I sa...

hi guys i tryed making this as realistic as possible please shout out if there are any problems cheers

From Greenville in Roblox

Engine Code 4G13 MPI – Mitsubishi 1.3 L SOHC, 12-valve multi-point injection • 1 298 cc (Bore: 71.5 mm / Stroke: 82....

So, my second engine is basically a Subaru EJ25 engine that is increased in volume to 3.6 liters. I've also provided ...