I've used a site before that acts as a great technical directory for the layman. It covers modern engine developments such as VTEC, the benefits and restrictions of different engine configurations including Volkswagen's W powerplants and lots of other really cool and useful stuff. It doesn't seem to be in the sticky.
Sorry if I've been a bit vague, I'm sure someone will know the one. Ta.
Sorry if I've been a bit vague, I'm sure someone will know the one. Ta.