Peugeot 306 with a Porsche Flat-Six Peugeot 306 with a Porsche GT3 Flat-Six " data-image-caption="" data-medium-file="https://i0.wp.com/engineswapdepot.com/wp-content/uploads/2023/07/Peugeot-306-with-a-Porsche-GT3-Flat-Six-01.jpg?fit=6...