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

one of the big V10s with a lightweight flywheel and sequential close ratio gearbox

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

makes a little less horse power than stock because of high miles

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...

v10 go brrrrrrrr

very goofy

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.

Single cylinder from yamaha xtx 660 (supermoto) I tried my best to recreate this engine :D

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