98ish hp, 748cc 90º V4, 180º crank, carburated. As accurate as the data I have allows. Up to date source, issues,...

Hypothetical Crossplane version of the Honda B18C5 VTEC i4. Everything apart from the crankshaft, cam positions and i...

20l i6 7000nm 1900CV 3000rpm

A 10.5L Straight 20, i was bored, my computer wasn't happy when making this. Hold S for a bit before turning on igni...

As a very British guy with a very British mindset, building one of these engines was a headache. Who thought numberin...

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

From a request, I bring you a built to spec Honda CBX 1050 engine! I have tried my best to bring the real sound of th...

Took me a little while to figure this one out but from many scavenged sources from across this web, this engine shoul...

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

180 degrees of Kawasaki twin goodness. Love the sound of this one.

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...

My second Experiment With Exhaust Header, im using the uel ej25 headers from atg-video-2 folder and put it on my cust...

I had already seen that someone beat me to it in making the 13b, but figured I would upload my own version regardless...

The Honda GY6 is a single cylinder, near horizontal engine. In it's 150cc configuration, it can make upwards of 12hp...

[Updated on 02 May 2023] I tried to reverse engineer the firing order by inspecting the real BRM V16 camshaft photo t...