Originally Posted by Junior2JZ
Yea it's a hg, the cylinder pressure and then FFS/Revlimiter/LC pretty much any abrupt cut will cause head lifting issues on big hp cars without orings/studs. Det would def do it too, but unless he picked up some bunk e85 I doubt it's the cause. I leave pretty decent margins between maxed out timing on e85 cars.
No studs on this built block? Hard to imagine.