Couldn’t get THIS to pull up. You can install the 1 piece by loosening the main caps and dropping the crank a bit but I really don’t like their seal. It’s not like the Viton, it’s more pliable, I’d rather use the 2 piece Viton with the Fast Fish retainer personally. Some people love the fast...
I’ll be honest with ya The Fastfish retainer is better than the Mancini as it doesn’t utilize side seals and has beveled edges but that’s not your problem according to your description. I had my engine out of my car and confirmed my leak was in between seal and the block retainer, the seal had...