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UPDATE #2: 3/5 - Engine removed and root cause identified; hydrolock caused by methanol injection malfunction
Today the failed engine was removed from the car and the cause was identified without even needing to tear the engine apart... excessive methanol injection caused hydrolock which resulted in a hole blown through the bottom end of the long block on the driver side. CRAZY!
This is what I saw when I walked in the shop on my way home from work...
I hope I never see this again...
Failed engine removed from the car (below)
Note the Lamborghini Gallardo in the background
Hole blown through the driver side of the longblock above the oil pan, near the rear of the engine (closer to cylinder 6, farther from cylinder 1)
Chunks of metal were removed from the oil pan and fragments were found in the oil filter (below).
This means my ER dual oil coolers need to be flushed to ensure there's no remaining metal floating around in my oil lines.
Also, still need to inspect the turbos off my failed engine to ensure they're good to re-use on the new engine. I'd prefer to keep them as they only have 12,000 miles on them, whereas the new engine and turbos have ~27,000 miles. Turbos off of replacement engine and various spare parts shown in picture below as the replacement engine is being prepped for transplant surgery (i.e. - carbon buildup being removed and major cleaning to ensure all metal fragments removed).
Mechanic said there were still puddles of pink "boost juice" (pre-mixed methanol and distilled water in 49/51 ratio) inside the cylinders when he first gained access to the intake manifold. Basically, a smoking gun that the engine failure was caused by excessive methanol injection, which resulted in hydrolock. As far as what caused the methanol injection to malfunction, I have no idea. All I know is that my confidence in the BMS Methanol Injection kit is gone. I plan on ditching methanol completely and switching to a more track-friendly tune once my car is back up and running. Mechanic plans to have my car running by Friday (3/8).
Of all the people using JB4 and its functionality as an integrated methanol injection controller, I guess I'm the first lucky one to have this happen.