Isn't this one of the problems with the stock M-blocks/400's.
Seems like a deck height and/or squish nightmare???
http://news.pickuptrucks.com/2009/04/mce-5-variable-compression-gas-engine.html
Seems like a deck height and/or squish nightmare???
http://news.pickuptrucks.com/2009/04/mce-5-variable-compression-gas-engine.html