This started as an experiment on combining a Wankel crank and rotors with a normal reciprocating crank, conrods, pist...

This is the engine I made this morning. 3 liters, 800 or more horsepower, I had to turn the sim frequency down to 600...

new to tuning, upgraded the valves, bore, fuel efficiency, and a bunch more

I tried to simulate a double-expansion engine, where the exhaust of the other two cylinders feed the intake of the la...

I just smooshed 2 4A-GE's together and this also has VVT

Its not really offset crank, since with multiple cylinder banks you can't just move the crank position, I had to figu...

I made this today, its 83 cubic inches, 4 cylinders, uses the Hayabusa bore and stroke, and the crankshaft is about 3...

This thing is wacky 2 cylinders fire at the same time it sounds amazing and makes 850 HP at 15500 RPM this thing revs...

N/A 6.5L V12 used in the Lamborghini Aventador SVJ updated for version 0_1_12a, not entirely accurate anymore

[Updated on 05 May 2023] The R-4360 was Pratt & Whitney's last aircraft piston engine, as well as the largest and the...

[Updated on 05 May 2023] This was among the largest piston engines ever successfully produced. Design began in early-...

[Updated on 02 May 2023] Napier’s unusual H-shaped engines were originally designed in 1928 with 16 air cooled cylind...

Hello, this is the first functioning engine I've made, would appreciate some feedback. Thanks!

597 cc. 2300 idle RPM. 3500 max RPM. For all your scooter needs. Gives roughly 20-30 HP. yes, sounds bad, but just im...

Sum imaginary I8 based on my xtx 660 engine.