As I mentioned earlier I replaced the cam gaskets and replaced the front cam seals. However, when I replaced the left side (driver's side) cam the large O-ring did not slip inside the cam tower. I asked a knowledgeable mechanic about the problem and he thought that the Pinched O-ring would seal the opening. Problem, the leak is back. There seems to be 2 different sizes of O-rings for the 16V engine. The 50x5 and the 52x4, I know that I installed a 50x5 is this the problem. I know that I will have to do the job again on this side but I want to make sure that it does not leak this time. Any suggestions, Yes I know find a better mechanic for advice. But he is my dad and he saved this car from the wrecking yard. 1979 #183

 

There is a small plug/seal that you needed to replace and that is the major source of the leaks on the 16v cam carriers.

928 105 184 00. It's small and appears to not be important. It is though.

 

Sean, I know the seal that you are referring to I will check it out. Thanks

 

yes there are two different sizes when you order from roger he sends you both

 

had the same problem.

https://rennlist.com/forums/928-foru...questions.html

 

Part of the learning curve, I ordered parts from someone other than the Big Three. Lesson learned, pay a little more, work with people who know these cars and care about them being on the road and enjoyed for years to come.