http://witchhunter.com/injectordata1.php4

all of the Delphi, and the 8 digit Rochester injectors should be GM injectors.... not sure of their applications though.

EDIT: well, the 12586554 is the 00-05 3100/3400 injector.

200cc/min at 3 BAR, yet they're run normally at 3.5 BAR