Well finally bit the bullet and pulled the ribs. Reinstalled bottom rib, narrowed barrel wedge .032" and ready to install top rifle rib with proper quarter rib ( thanx birdhunter ). Between the new quarter rib and lead I poured between barrels I'll be up 12 oz. and all of it in the barrel section. Between the weight and new barrel spread we should be closer if not crossing with the heavy .735" RB loads. If they cross I've got a selection of loads that will give more barrel " toss ". For any one interested in doing there own work, be sure to get a copy of Ellis's book. I tried installing ribs with haywire method shown various places on the net. It was a disaster. Built a jig as per Ellis instructs and wouldn't you know it I got professional results.