Hard to seal anything against chrome. Like RapidRobert says, a big O' file is your friend. I file old originals back to a nice flat, smooth surface. Removing chrome for a good seal is a must to me.
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/ motormangj@gmail.com