Heads

Okay, so we have already had a brief introduction to the two main types of engine to be discussed here, the Triumph 2000cc six and the 2500cc six. This section will detail some of the changes which can be made to the cylinder head for increased power. The main areas to be considered are compression ratio, porting and valve configuration. There are four basic heads involved in the range of engines under discussion. [Get some casting and part numbers!]