Compression pressures

[dickie65]

Hi Folks,
The results are in.
Engine was run to warm it but not hot enough to burn fingers on plug tops.
All tests were done running a 6v starter on 12 volts as the car has been 12 volts for many years.
Hand throttle wide open.
No 1 = 130 psi 9 Bar
No 2 = 130 psi 9 Bar
No 3 = 130 psi 9 Bar
No 4 = 100 psi 7 Bar I put oil into this cylinder and tried again with the same result.
So I have a poorly sealing valve on number 4
I will not do anything about this yet as the engine still pulls well although I will check the valve clearances.