Hi all. I love this game, but why i can’t get a bore/stroke ratio over 1.3333? I own a Lancia Delta 1300 (1990) and i want to recreate its engine, that have a bore of 86.4 and a stroke of 55.5 so a ratio of 1.556. It is pretty annoying 
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Thanks
Long story short - a larger ratio will break the game. Sorry yours can’t be recreated. 
edit: attempting to locate thread with more details
edit2: Everything you need to know about bore/stroke ratios can be found in this thread.