hi everyone, many thanks for your replies and info. i did buy the dolly on ebay! hence why it was ended. it had no rust in any of the usual places, apart from a little bubble on the n/s front wing. it also came with loads of history to back up mileage. also has an oil pressure guage fitted, 45psi at tickover when warm! hope this is about right? has also had some spray work, but done to a high standard. it had all new brakes, 4 new shocks and fully polybushed. can anything be done to prevent head gasket failure? ie would adding a bottle of "k seal help"? any comments will be a help. thanks all, regards, tony.