Originally Posted by Davemurphy007

So much shit sprouted from one person!

The Sigma engines are perfectly reliable SO LONG AS THEY ARE LOOKED AFTER. If yours is burning oil after only 80k then quite clearly it hasn't been looked after.

The Silvertop Zetec engine that you are referring to is a complete pile of poo and would be a monumental pain in the arse to fit for no gains, only losses. If you're not happy with the performance of your car then you need to look at a new one - you're never going to get much extra performance out of the 1.6 - especially when it's fitted in something as heavy as a Focus.

Talk about cutting your nose to spite your face!