Time for a thread bump!
Since the last update, not a whole lot has happened. I wound up selling that IRS I posted earlier in the thread as I was going to sell the car but changed my mind. I am swapping my SRA for another IRS this weekend. The transmission is also coming out as the 3rd gear syncro took a shit when playing with a GT500 last year

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I also took it to SAR and ran a 12.5x @ 115.xx w/ a 2.1 60 ft on my shitty Nitto 555's (not the R's, just the radials).
IRS is getting a full bushing kit. The catback I'm getting with the swap is Bassani. Haven't ever heard one in person so we'll see how long that stays on. The transmission is getting a full rebuild, new 3-4 sycro assembly, billet keys, bronze pads and a 26 spline input shaft. Not sure on clutch selection right now but I'm leaning toward the Spec 3+.
I'm also thinking since the rear is out, the trans will be out shortly, It wouldn't take much more to pull the motor and go ahead with forging the bottom end. I'm still mulling this over in my head though.