i s a jdmb20baically usdm b20z but still no different since i changed the pistons the crank was turned 10 over already with stock rods and acl bearings the pistons are ycp type r replicas the motor had 1500 on it i drove it on a basemap with 450cc injectors because i needed a car and gas was getting to the bottom end and it ate up the bearings causing it to spin a bearing i changed the oil before i put it on the dyno for a proper tune and it was too late when i left it started knocking pulled over and had it towed from there i am trying to get my block back but as it goes first come first server