Andy135 Posted February 3, 2023 Share Posted February 3, 2023 If I wanted a spare Sigma engine as a project for rebuilding/tuning, which Ford models should I be searching for that had the closest spec of engine to the sigmas used by Caterham? There seems to be a plethora of sigma variants in a wide range of Fiestas and Focuses to choose from. Any ideas?Or are they all much of a muchness by the time they've been stripped back to a bare engine? Link to comment Share on other sites More sharing options...
K7 VCT Posted February 3, 2023 Share Posted February 3, 2023 You could ask Stuart at premierpowerengines.com Link to comment Share on other sites More sharing options...
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