guffe 2 Posted February 4, 2008 Hi, I tried to search this but was unable to find the height of XU9J4 engine block. So has anyone measured the height from centre of the crank to the deck? I would need this information to sort out what piston/conrod combination I should use for my turbo project. The specs are (for now...) XU9 block with XU7JP4 head and the target CR is ~9.5:1. Crank will be XU9J4's. Share this post Link to post Share on other sites