Mini Motors, been looking for a HEMI.

[Roadman]

    Cool stuff.   http://speedsociety.com/the-miniature-engine-in-this-miniature-tractor-on-tracks-is-badass/?source=amazing

[Cuda Cody]

WOW, the sound is super cool!  Sweet music to my ears.  Bet that stuff can get addicting.   

[Timbbuc2]

Absolutely amazing. And I struggle working on my Challenger

[Roadman]

   I'll betcha @Brads70  could machine up and build one of these little motors.         http://www.enginelabs.com/photos/car-features/master-machinist-ron-bements-13-scale-offy-flathead-and-ardun/?cat=10234

[Roadman]

Mini Harley          https://www.youtube.com/watch?v=EQRzCNK9eOs