I was alerted to Simpson Design by the post on "Geoffs 250GTO thread" but I missed this photo when looking at their website. Using the MX5 as a base car imposes the same basket of compromises that I have faced with my 275/Z3 design but is less appropriate for this country than using the Z3 as a base because of the IVA rules and also the engine is limited to 1800cc whereas those who want more power can go for the 2.0, 2.2, 2.8, 3.0 or even the MTech 3.2 version of the Z3.
I see that they have retained the MX5 screen and door glass (and handle). They have lost two of the side vents and got the wrong shape for the side light and indicator. Overall a very nice update of the MX5 but is it a good imitation of the 275GTB? Egdik prefers to retain the 275GTB squared off shape with a new rear and top frame for the side window but my present inclination is to retain the Z3 glass for ease of manufacture (I can modify the fibreglass to suit either shape).
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