My H22 build is using a cometic headgasket, sometimes when i come to a stop my car will start to studder and then when i give it throttle it coolant will smoke from the exhaust,after that the car runs perfectly and doesnt overheat. Ive checked my coolant for oil and vice versa coolant in oil and there is nothing, the motor only has 1500mi on it, just wondering if there is anything you might suggest, i comp and leakdown tested everything checks out. Also if it makes a difference my turbo is watercooled. Thanks in advance

 

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turbo seals gone bad?