brom used a 205 block arp kit ect for 520 bhp hard track use for ages . people get so sold on a 4x4 block where the only advantages is a thick waist

was told by jeremy at cosworth ages ago that theres loads of people run 205s at big power and havnt suffered weakness but he did say that the best block to have if was into spending money was the ybp block due to the oil spray for the pistons and slightly better cast