A 350 is a 4 inch bore, a 383 has a 4.030 bore. A 345 has a 3.48 stroke and a 383 has a 3.75 stroke crank. A 350 standard bore with a 3.75 stroke crank ia 377 cubic inches. So boring to 4.030 makes the extra 6 cubes. .060 over will make 388 cubes.
Isosorbide dinitrate is the generic name of a drug that is also sold under the brand names Isordil, Isordil Titradose, Dilatrate-SR, and Sorbitrate. It's also an active ingredient in the prescription drug BiDil. Doctors prescribe isosorbide to prevent and treat frequent chest pain due to lack of oxygen to the heart (chronic angina) caused by coronary heart disease, and to treat congestive heart failure. Isosorbide belongs to a class of drugs known as nitrates.
An overdose of isosorbide dinitrate can be fatal. Overdose symptoms may include a severe throbbing headache, fever, confusion, severe dizziness, fast or pounding heartbeats, vision problems, nausea, vomiting, stomach pain, bloody diarrhea, trouble breathing, sweating, cold or clammy skin, fainting, and seizure (convulsions).