Aluminum cylinder heads

For optimum use of aluminum heads, the Scr needs to be brought up.
The aluminum heads remove a lot more heat from the chambers, than iron, and that means power.It's been written that when swapping, the Scr needs to be raised at least a half a point,just to break even; and that puts you at 10.2. But IMO your 9.7 was already .3 low, so then you are at 10.5 for 87. But if you were willing to run 91, then you could be 11.1 minimum. But I think the half-point estimation is wrong; I think we need a full point, so that takes us to 11.6 for 91, see below;
Some of us run up to 185psi cylinder pressure on 87gas and a couple of guys are at 200psi on 91.
In a streeter, if you reassemble her at 9.7Scr, you will lose low-rpm performance big-time, and be disappointed.
That Lunati is a 231/239/110 @.050 retro-roller,and advertised is 282/290..
With iron heads 9.7 Scr was IMO, already on the low side.
With aluminum, the Wallace Calculator is predicting Scrs of about 11.0 for 178psi(87gas), 11.3 for 184psi(89gas), 11.6 for 190psi(91gas); pick your poison.
I'm not saying that you absolutely have to bring the Scr up, period, because a 2800TC or better, will solve the torque-loss off the line. But the midrange will also be soft at 9.7, and the TC cannot do anything about that.
What I am saying is that with those pop-up pistons you have a golden opportunity to make a real bruiser of an engine. All you gotta do is machine the tops to fit the closed chamber heads and get the Q down in the range of .030(+/-.005), and finalize the Scr for the gas you are willing to run.
At these pressures I recommend the FelPro .039s
Jus trying to help.
I have a similar cam in my 367 namely 230/237/110 and 276/286 @.008 advertised, but she's a FTH. She runs 10.95Scr and burns 87E10 @ over 177psi with full timing 32/34 by 3400. And at 207*F minimum coolant temp. She makes plenty of torque for a clutch and a 10.97 starter gear, and pulls hard to 6000, and I take her to 7000 as often as I can.
My Scr is less than yours,because my advertised is a full size smaller than yours, if you were wondering.