All of theses engines are based on a cast iron block BDD 1600 Forumla Atlantic, BDB , BDC and BDM use a 711M  strengthened Cast Cylinder Block with standard bore 81mm 1600cc and 83.5mm 1700cc. The BDE uses a thick wall block and is bored to 85.6mm, 86mm or 87mm 1800cc.

 Engines are hand built to FIA regulations with the choice of specifications, with our vast knowledge and dyno testing of these types of engines, this has provided us with valuable feedback for cylinder head specs, cam profiles and calibration to gain the best power and drivability. The success in our development is proven by winning races, rallies and championships across the globe.