Flywheel identification
If its external balance then it narrows it down to LA360 or magnum but can still be truck or car. Count how many teeth it has as well as the diameter, 130 teeth means it was used in a car and 10.5" diameter (and what most car bellhousings will accept) while the trucks used 143 teeth and will be 11" in diameter
Does it have any numbers on it anywhere?
I've seen different companies balance their flywheels in different ways
If you had a stock internal balance flywheel and wanted to make it external balance, this diagram is what has been recommended to do to it. Notice its only 3 holes for this particular method
If its external balance then it narrows it down to LA360 or magnum but can still be truck or car. Count how many teeth it has as well as the diameter, 130 teeth means it was used in a car and 10.5" diameter (and what most car bellhousings will accept) while the trucks used 143 teeth and will be 11" in diameter
Does it have any numbers on it anywhere?
I've seen different companies balance their flywheels in different ways
If you had a stock internal balance flywheel and wanted to make it external balance, this diagram is what has been recommended to do to it. Notice its only 3 holes for this particular method