Hi everyone, hope someone has some bright ideas on this. I have a mk1 focus 1.6 zetec (european spec) - completely stock. I had zero compresson on cyl 3 and it was burning a little oil, so I stripped of the cylinder head, replaced the chipped exhaust valve on cyl 3, lapped all the other...

Noticed my 03 SPI using a little oil the last month or so. Has 141,000 miles on the old girl. Its had good engine maintenance with regular oil and filter changes. I use the car 90% up and down the highway at 55 to 60 mph. I get my best fuel economy at those speeds. I always set it on crusie...