I don't know if I would spin a 225 that tight. This thread is over a year old. I wonder if the OP didn't get it running and scattered it. Forced induction engines need a strong bottom end. Slants could use a couple more main bearings. They have their limits.
Let's see how long the PowerNation Slanty holds up making 517Lb-ft by 4K, so far so good, and that at 11psi. Haven't seen what project They were going to transplant it in yet.