Thanks guys for all the replies, motor was rebuilt 5 years again and has hardly been driven for the last 4 1/2 ( maybe 300km in total) in the last 6 months I have done about 4000km mainly short drives longest been 70 km (done this one about 6 times). Going to check for steam cleaning of the...

Hey Guys New to the forums, To start I have a D1 which is reasonable modified which is having a similar post to the OP( which is how I found this forum). So issue is 4.6 milk cap lots of mayo in head but no sump oil or water contamination, no pressurization of water system, blows white smoke...