I banned people who drove anything powered by that engine from our driveway unless they had their own drip tray! Only engine I've come across that leaks oil from the Welch Plugs.Voted V8, cos it has to be the V8, but specifically the Buick 215 which developed into the Rover V8 fitted to amongst others the Classic Range Rover (like mine), TVRs, insane Land Rover 90s and Beetle conversions.
All alumin(i)um construction when its competitors were cast iron,
and most importantly you can lose 4 cylinders and still have a 4 cylinder engine!
Best racing engine in what sense?View attachment 279014
Lancia Stratos.
Why? (Ferrari) Dino V6 engine. I believe that is sufficient. Just listen to its engine note to understand why, if you still have any doubts.
Never had the pleasure to see it in real life unfortunately, thankfully it is well represented in sims and racing games. Dirt Rally is the one I drove it in the most.