Quote:

on steve juliano s 71 cuda the master cylinder cover
lid say use only sae j1703 brake fluid the service lids do not


Are you talking about his '71 hemi cuda? The '71 hemi disc brake cars used a master cylinder that was a carryover from '70 and therefore was different from '71 master cylinders used on non hemi applications in that it was painted black, and its lid would have had the Use J1703 brake fluid callout.