Good shout Doug, I think for the price of a hose set I should replace the lot, I already decided to do all the fuel lines and will probably overhaul the full braking system as the brake master cylinder is empty so there is a problem somewhere. I also thought the cowl at the front of the rad looked out of place and it is somehow bolted through the radiator!
I'm in no rush so will be sure to check everything over methodically, the engine has a reground crank and new pistons and runs very sweet. The feeling I got from the previous owner of 10 years is he had spent a fair bit of time and money but not had any fun time so I suppose a lot of niggley bits is a lot to face for some. I did a lot of similar jobs recently on a Midget with 22 MOT fails and although it will be frustrating at times I am sure the GT6 will be well worth it. I think it was wise to join the club, there's plenty of reference material and help.