Starting on my next build 525 ci IDT block with P-51 heads. I will post dyno results and track performance in future. 4.5 bore with 4.125 stroke. 14 to 1 compression with single dominator and one fogger system. Diamond pistons on GMP aluminum rods. Titan oil pump, roller cam 865 Int. 849Exh. 116 lobe sep. hopefully this build can move a 3800 lbs car down the track.