smoking hard out left bank

winstoninwisc said

its been good for over a year since I built it , only thing I changed was the carb this morning to a shaved 750 to 800 and it was making the pass of its life it ran fine on the way home 1 mile , smoking like a ***** thow out the left pipes

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I know this is not what you want to hear but my brothers 340 drove about 30 miles slow as she goes and we had mec tell us it was a cracked head, we pulled the intake and the right side head and the head gasket was blown between 4 and 6, we could see where it blew the head seal straight across... I do hope not, but it was changed out in no time..