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

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

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

[Updated on 02 May 2023] Frank B. Halford was a talented independent British engine designer of the early and mid-twe...

All weights are accurate and the valve timing is as accurate as I could make it. The power and torque curves are fair...

fast boii Equipped with 4.7L and 20 combustion chambers and 20 cylinder heads and 20 pistons and 20 loong crankshafts...

[Updated on 02 May 2023] This big diesel is a child of V-2 engine from a T-34 tank. Slightly detuned 300 HP version o...

[Updated on 02 May 2023] This is a Ferrari V12. F140 ED from GTC4 Lusso. 65° bank angle. 1-7-5-11-3-9-6-12-2-8-4-10.

my try on makin ZZ632 crate engine, 1004 HP @ 6,800 RPM | 1152 LB-FT @ 3,400 RPM. Bad transmission gear ratio cuz im ...

[Updated on 05 May 2023] One of the Ford experiments, 309CI SOHC aluminium block.

Hi guys, this is my first(ish) engine I will share and its the Nissan VQ25DE. I based this engine off Ange's 6...

Decided to make an 8 rotor engine for my first one. Might be a few problems or stuff thats not supposed to be there, ...

this do be my first engine, but i think i nailed it

The Ultimate Frankenstein of Honda F Series Engine, I made this crazy frankenstein engine because i have and idea whi...