Thanks for all your advice. It was started up again without incident and exhaust changed into a healthier colour. Took it onto road to give a proper drive but didn't get more than round the block as it kept cutting out. Yesterday it was transported off to a garage for some TLC!
Just tank replacement, and got it starting up again after that. Drove up and down lawn (Small lawn!) a few times just to move it and that was ok,and put it back in the garage for a couple of weeks.
Appreciate your help.
Thanks John for your help. . Its been stood for a year. The tank was replaced at beginning of this year and has been started up a few times since. Need to get it roadworthy to sell, based near Reading.
Getting a 1967 series one 4.2 e type that I have inherited running again. It's been started up and left running a few times successfully but the last time there was a loud bang and lots of black smoke from the exhaust. This happened again in quick succession and then switched off quickly fearing the...