Re: 35 Big twin – high speed problem Home › Forum › Ask A Member › 35 Big twin – high speed problem › Re: 35 Big twin – high speed problem MumblesReplies: 5764Topics: 298 August 14, 2018 at 2:14 pm #81129 quote Richard L. Paquette: After building the motor out of spare parts, Was the head gasket used to? If so, it’s the same old story, pay now or pay later! Lets just hope the water intrusion hasn’t damaged the crank or bearings.