I have solicited help from some other Forum MembersSeptember 8 2017 at 6:37 PM
|Paul (no login)|
Response to Re: Opposite rotation
I guess one thing I would do is to watch the distributor advance by watching the movement on the timing light, and then revving the motor to the point where the advance is "all in". That is normally, as you stated, in the 25 to 30 degree mark. Then I would back up about 30-degrees to the point where it should be TDC, and then move to a point where you are around 10-degrees before that mark. That, in the absence of good markings to time to on the graduated scale or dimple, should put you right about the same point you would normally be if you did get the proper reading on the dimple, while at idle.
If that is the same general location as the dimple, then you know you at least have a baseline to work with. From there, if that is not working, I think I would run some in-the-water tests and tune by ear. I'm not sure if the motor is actually running and the cam is activating the valves as it should, that you really have anything to gain by pulling the front timing cover, but I can assure you it would be A WHOLE LOT EASIER TO DO WITH THE MOTOR OUT OF THE BOAT. I made the mistake of installing before I checked for oil leaks and had to wrestle with a nasty little issue for weeks thereafter.
I posted your dilemma on another source of information and we'll see if anyone can give us some pointers. Stay tuned.