Ordered a couple MP BB rear seal kits. I thought the side seals were still the old style seals. But, they have changed to the rubber seals.

Will the rubber seals actually work? Any installation tips? Silicone behind them (on the cap itself) and on the sides of the block?

Thanks for any help!!

72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.