new to tuning, upgraded the valves, bore, fuel efficiency, and a bunch more

2L I4 engine with the i4 journal rod angles. Firing order 1&4-2&3. This thing is very responsive at RPM so you can re...

[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...

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

[Updated on 05 May 2023] The XR-7755-3 is the largest, most powerful reciprocating aircraft engine in the world. Duri...

[Updated on 05 May 2023] In 1939, the Air Corps identified a need for flat, H-type engines for installation in bomber...

This is was a test of my abilities to push this motor to its limits.

[Updated on 02 May 2023] The biggest (by displacement) inverted V engine of the Reich. It was mostly installed in mu...

I based this off of my original 2JZ-GE Tuned, instead went to crazy compression ratios to make a power monster out of...

A very strong 2-rotor engine with a racing gearbox BR

I always wondered why the Yamaha CP3 engine never quite sounded crossplane, but then I found out Triumph did it way b...

Built to spec, sounding monstrous yet beautiful to the ear I present; the Ferrari F1 V8.

I figured since I made the 13b, I should probably make the 20b too! I honestly think I prefer the idle of the 13b eve...