I just installed a Nissan LEAF electric motor into my 1977 Austin Allegro and it fits in perfectly!

But, as you can see, it wasn’t an easy task. Some serious fabricating was required to make sure this new powerplant (with twice the power and torque of the original engine) would be able to deliver all its power without twisting the flimsy metal of this 45 year old British car.

So, grab some popcorn and enjoy the show as this video details the process: