If high Octane Gasoline is used in low compression piston engines (6:1 CR to 9:4 CR) there will not be enough compression to burn all of the Gasoline and the high Octane Gasoline will exit the engine unburned and wasted out of the exhaust.
Congenital diaphragmatic hernia (CDH) is a congenital malformation (birth defect) of the diaphragm.The most common type of CDH is a Bochdalek hernia; other types include Morgagni hernia, diaphragm eventration and central tendon defects of the diaphragm.he most common type of CDH is a Bochdalek hernia; other types include Morgagni hernia, diaphragm eventration and central tendon defects of the diaphragm.
Congenital adrenal hyperplasia (CAH) is a group of genetic conditions that can be caused by a change (mutation) in several different genes: 1  21-hydroxylase deficiency is caused by mutations in the CYP21A2 gene. 2  3-beta-hydroxysteroid dehydrogenase deficiency is caused by mutations in the HSD3B2 gene.