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Just the dose of pure nitrous is not what hurt it, because without the proper amount of fuel to go with the added oxidizer, you are not doing anything.............BUT.........in this instance, as obviously they were "tuning" on the car, I would bet my bottom dollar the tune was rich. So when they hit it with all the nitrous, the tune got "clean" for a split second(you hear the motor rev)it made some real power, was over timed for that power and pushed a head gasket out.
Monte
Liquid on a MAF will usually have it read low, but the nitrous had transitioned to gas at that point and was being "counted" by the air meter so the ecu kept adding fuel. I don't think they changed the tune any, I think they just opened up the bottle with the motor at wot and hoped for the best. Unfortunately on a lot of cars timing is modified based on intake temp, so when the intake temp plummeted the ecu thought the motor could handle additional timing.
I will say I don't think I've ever seen a head gasket pop that quickly, lol.
'18 Ford Raptor, random motorcycles, 1968 Plymouth Fury III - 11.37 @ 118
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