By Rob Harvey
Marketing Manager - Bridge Classic Cars
The investigation and rebuild of the engine of our 1964 Mercedes 230SL has now begun.
Cam wear was noticed and the cam chain was stretched. The tensioner for the cam chain was also worn, as were the bores. The injection pump and injectors will be serviced while the engine is out of the car.
The crank will need grinding and the cleaning process has begun.
It was also noted that one of the pistons was facing the wrong direction and was cracked. As you can see from the videos below, the bearing in the rod has failed and is the cause of most of the noise when the car is running; and the bearing has moved which has blocked the oil feed hole and then started to break up.
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