[Updated on 02 May 2023] This engine is based on Porsche 993 boxer 6. I took standard inline 5 firing order 1-2-4-5-3...

[Updated on 02 May 2023] A flatplane crank V8 with 75° bank angle which makes it a bit weird. I personally really lik...

[Updated on 02 May 2023] Let's imagine that back in 1993 Porsche decided to add two more cyliders to its famous boxer...

[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 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...