a couple of the intake ports must have sat with some water in them at some point in their life.
they didnt look this bad when they were still oily from being on the motor.

6476421-IMG_1741.JPG (344 downloads)

68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads