Working with a pontiac hei. I set my base timing to 13 degrees. I hook my timing light cylinders 3 and 6 it reads 13 degrees. When i go to cylinder 2 it's closer to 90 and and the other cylinders(5,7,4 and 8) are not reading the same. Has a new cap and rotor. Changed control modules. Swapped plug wires around. Any thoughts or suggestions to try? Thanks in advance.
