I made this custom rally engine using bore and stroke spec from the yaris wrc engine but the rest is custom, N/A cus ...

[Updated on 02 May 2023] I keep adding cylinders to Porsche 911, this time it is boxer 12. My idea was not just to jo...

i made this engine to replicate vincent foucart tiny v16 engine made out of 4 destroked cbr600 engine, spec are not a...

This engine has been tune up. feel free to try your own experience. Hope you enjoy it! Single cylinder bore 65mm stro...

[Updated on 02 May 2023] This monster powered luxury Bugatti T41 cars back then, this is one of the largest internal-...

[Updated on 02 May 2023] An italian racer from 30s, power figures are not accurate because there is no forced inducti...

[Updated on 02 May 2023] Even if it sounds like two inline fours it is still a regular straight 8 engine. Old-style d...

[Updated on 05 May 2023] This is an experimental Ford X8 engine (Sugar Mill experiment #28). I was able to found pict...

The Maybach HL230 was a water-cooled 60° 23 litre V12 petrol engine designed by Maybach. It was used during World War...

Monstrous X8 firing like a I2, Makes too much power for running without ignition. Revs to 30K rpm.

[Updated on 02 May 2023] The biggest and the most powerful straight 8 back then, naturally aspirated 265HP engine. Th...

A recreation of the Peugeot HDI FAP V12 engine found in the early 908 models. Bore and stroke are taken from regular ...

A recreation of the Peugeot HDI V8 engine found in the later 908 models. Bore and stroke are taken from regular PSA H...

[Updated on 02 May 2023] This is the failed bigger brother of Ford GAA V8, stroke and bore are the same.

Basically two 90deg-out-of-phase boxer-4s. I don't expect any specs, except bore, stroke and maybe rods(?), to be ...