If I read it correctly, his block is not production based, it's from a rally car?
F7r is originally from the clio williams, but this is the 714 version which is the Megane 16v homologation item for the Maxi kit cars, hence the block is 30% stiffer but 6kg lighter, which is nice. Even so i have done a lot of strengthening on the bottomed, with a 12mm steel plate and machined from solid crank bearing caps effectively turning the bottom end into a ladder frame style assembly, and then further stiffened by a machined from solid dry sump plate.
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