at this point who ever wins has the most powerful pc/laptop and this is as high as im willing to go on my laptop. Als...

Revs to 10,000 rpm, weighs 3000 lbs, and has a Muncie M21. (The engine that this was modeled after was apex1285/Isaac...

fun fact: if you didnt know only uneven cylinder counts can be radial ariel ussually is two bank or cross layout but ...

This has took alll day its set like 4 ws connected by crank together too make this hellish abomination

competiton hosted by king, my submission also this shit became a competition lol because of cookie just making lik...

i beat the record once again 500 thousand rpm (credit to nnnn)

somebody decided to make a 156cc go 100k rpm... so I MULTIPLIED THE CYLINDERS BY EIGHT!!! (original credit to nnnn - ...

you were the chosen one mazda but you had too throw it all away too turn your engines in to pgev's (credit is litro ...

i know alot of people will say v6s are already crossplane well now its as crossplane as the triumph but hondafied as ...

While making the Shadow Mk1 inspired thing, a question came to my mind: What if, in an alternate timeline, the 19...

While making the DeTomaso inspired thing, I thought the cam angle on it would go hard on a race car, so I enlarged th...

Something inspired by the DeTomaso Pantera except it's got an SBC instead of a Ford motor, idk.

You think this is over? At some point, it will reach 100K (if you're lucky). edit: use E, it's better than R becaus...

The Briggs & Stratton World Formula is a high-performance 204cc, 4-stroke racing kart engine designed for competitive...

So its a challenge you want Cookiedaboi? Well I'll give you one. hehe see if you can beat this!