The V8 Owners Forum -

You do need to measure the oil pressure accurately first - the dash gauge is often wrong. And even then, there seems to be a lot of tolerance with sound engines. A fairly good indication of bearing wear and really low pressure would be the pressure warning light coming on at any time on a very hot ...

There is no coolant being lost, there is a lot of condensation on a cold start, but I am assuming this is normal for petrol engines? If I remove HT lead number 8, with the engine running, the misfire doesnt change. however it sounds like it is missing more than 1 cylinder. I am at the point of takin...

£20 infra red thermometer from Maplins Check which cylinders are down on temperature on start up then inspect those ones. May be gummed up injectors or iffy contact in electrics feeding them Ian I can get an infrared thermometer from work. Will give that a go. I have replaced the wires to the ampli...

Ok, is there a measurement I should be looking for? or just seeing which rockers move more than the others? I have been that it is usually number 7 and 8 lobes/rockers that suffer from lack of oil?

Is it ok to run the engine with no rockers? No oil going to come flying out anywhere?
Thanks

Hi, this is my first post on here. I have fitted a 3.9 V8 EFI from a discovery 1 to my defender, with an auto box. The engine had 70k miles when I installed it, had been sat for the best part of 5 years. An oil and filter change (20W50) and the engine ran really smooth, couple of lifters were a litt...