Ok, Cheers for that. There's not much play at all between the valve stems and guides. I had all the breather pipes and rocker cover off, cleaned, soaked in parrafin and then put back when I first noticed the problem but that didn't make any difference. I think you're right. I'll track down...

Hi, I put in bench seats into my 110 last year without seat belts and it passed its MOT without any problems. Apparantly as they were inward facing they were fine.

Hi, I could do with a little help here. My 2.5 diesel engine was sufferring with a slight back pressure problem throwing oil out of the rocker cover. It got worse and at the point of it pushing out the dipstick and using that as a fountain for my oil, I thought it was time to do something about...