Club126UK
Fiat 126 Chat => Fiat 126 Mechanical Problem Solving => Topic started by: phreak97 on March 20, 2019, 12:01:21 PM
-
I’ve just done some head work on my 1990 air cooled after losing compression on my second motor. I discovered both motors plus my parts motor had heavy pitting on the exhaust valves which caused leaks.
Is this a well known issue on these cars? Is there any preventative?
-
Could it perhaps need some lead replacement additive?
-
Could it perhaps need some lead replacement additive?
Possibly, I thought that affected the seats but I guess both?
-
Running lean resulting in high combustion temps?
Sent from my SM-G925F using Tapatalk
-
Running lean resulting in high combustion temps?
Sent from my SM-G925F using Tapatalk
I don’t think so, it’s happened on three different engines (and carbys). one wasnt even from my car.
-
If the seats need to be changed, you can use metal-ceramic ones. Not sure exactly the name of the material but it is used in LPG conversations for example.
-
If the seats need to be changed, you can use metal-ceramic ones. Not sure exactly the name of the material but it is used in LPG conversations for example.
The head is back on now, I built it with second hand valves and lapped them in, I didn’t really have any money to spend on it. We’re running valve saver additive now.
The seats were fine anyway, just the valves were getting eaten away.