I've spent a bit more time in the garage lately. I have installed my radiator and some of the pipe work. I am waiting for a gasket and an olive to turn up in the post so that I can finish it. When I took off one of the old coolant tubes to the water pump inlet the tube had corroded badly so needed replacing. I looked on mx5 parts £100! And ebay £40! So i went to the specialist breaker next to me and got one for £5 that is almost brand new. I also managed to pick up a fuel pump plug for eternal.
Here is a picture of my almost complete radiator...

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Click to see my build photos on Flikr
http://www.flickr.com/photos/67112582@N03/
Saturn MX5 Based Chassis, Limited Slip Diff & 2.4 Quick Rack.
Build cost.... seems to be spending more on tools than car bits at the moment! (they will be handy in the future though).
Car iva'd and passed 15/08/2014. Finished weight 572kg.