Blown Slant Six Dyno Test

go-fish said

So you want to be different, huh?
The LA-Based Four Cylinder Racing Engine

A4!

Click to expand...

I remember seein those way back when. Here's one you might not know about. Pontiac made a PRODUCTION 4 cylinder based on its V8. Half a Pontiac V8. They called it the Pontiac Trophy 4.
https://www.macsmotorcitygarage.com/pontiacs-half-a-v8-the-1961-63-tempest-trophy-4/