OK So I went with a 115gr @ 7.14 autocomp @1.150 OAL and there is a noticeable difference. 5 shot average was 1526fps and my pf was 175 and some change if I did the math right.
The 147g @ 5.4 autocomp @1.144 OAL 5 shot average was 1177 pf of 173, again if I did the math right.