i was talkin to one of my dads mates about workin my 4k and he told me about his ke30 2 door he had he said it had ford cossworth pistons and a difrnt crank and rods not sure what out of and the ports were the maifold bolts on to were about twice the size of normal ones it had a custom manifold with twin su's on it he recons it use to cherp every gear i was just wondering if any one had herd of this and if so hows it done any info would be helpful