[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 02 May 2023] There is very limited information on this engine. It is a one-off engine and it powers 1935 ...

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

[Updated on 02 May 2023] The last air-cooled Porsche 911. 285HP @ 6100RPM. I used custom Brombacher cam spec because ...

[Updated on 02 May 2023] Porsche air cooled 3.6l boxer 6 250HP @ 6100RPM. I used custom Brombacher cam spec because I...

[Updated on 05 May 2023] This engine is interesting because of its LLLLRRRR firing order 1-3-4-2-6-5-7-8. It has a cr...

[Updated on 02 May 2023] A Ford V8 that started it all, a default "85 horse" hot-rod engine. This is the first 65HP v...

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

[Updated on 02 May 2023] This is a predecessor to VW VR engines. Lancia has designed this engine almost 100 years ago...

[Updated on 02 May 2023] This is the second version of Cadillac V16, it has 135° bank angle thus firing is even and s...

[Updated on 02 May 2023] This is the first version of Cadillac V16, it has 45° bank angle thus firing is even and smo...

[Updated on 02 May 2023] V16 from Marmon, currently defunct company that built fine automobiles. Firing order, dimens...

[Updated on 02 May 2023] A small engine from soviet Fiat 500 equivalent ZAZ-965 Zaporozhets. This V4 has 1-3-4-2 firi...

[Updated on 02 May 2023] Another Sherman engine here, actually this is an aircraft engine. Produced in large numbers ...

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