It should be stamped with the numbers if you can clean it and use one of those small mirrors to read it, unless you have already removed it.
I thought all the V8 dizzy were a 35DM8 for the early EFI which had the amp on the side and the later ones 35dlm8, had a remote amp under the coil, which are supposed to be interchangable by altering the wiring to suit the car.
Chuck a pic on and we will see ;)