was looking around at mazdas for other ideas.. ie 3rd gens available or earlier like the R100... or RX2 coupe... me want too many projects.. ha ha
A decent small block won't add that much weight, especially if you go with one of the newer LS aluminum block motors. I want to see someone shoehorn an LS7 into a Miata.
like this? http://www.autoblog.com/2005/11/03/2006-mallett-solstice-v8-the-one-the-engineers-really-wanted/