A 14 litre V-16 based on the LS-series GM V8! It uses four LS-series cylinder heads and is capable of normally aspirated power outputs of 1,000 hp and 1,000 ft-lb torque. It was developed for the marine market but could be used in a car or truck as well.
http://www.gminsidenews.com/article....com_sold&utm_source=GMInsidenews.com20170228
http://www.gminsidenews.com/article....com_sold&utm_source=GMInsidenews.com20170228