Based on a regular 1.8-litre MGB GT that had been stored unused for some years, the conversion took place over a period of five years, using a new Heritage body shell and a 3.5-litre Rover V8 engine, built to fast road specification and fitted with a five-speed manual gearbox.
https://www.hagerty.co.uk/articles/auctions/cruise-in-style-in-the-mg-rv8-coupe-that-never-was/
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