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Blown head gasket with SC.
I've probably blown my headgasket or cracked a head. Under boost the exhaust gases escape into the coolant passages causing the reservoir to overflow. The car runs fine so I don't think is a major failure yet, hopefully caught the problem in time.
I still have to disassemble the engine for specific details, but I was wondering how common is this issue.
Engine is on stock internals, rotrex supercharger running 10-12 psi at rev limiter (300 crank hp). The car was boosted for 20/25k miles now, used almost as a daily and seeing a fair amount of track time (15/20h).
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