Hi
I have played with the pump timing and found that if you advance it too much you will know it. It will clatter very loudly even at idle. I backed mine off a bit from that but it runs better than when it wall set up by a mechanic with the dial indicator.
stan
Jim wrote:
Some diesel timing and injection pump questions..
> My NA diesel has the symptoms of retarded injection timing. (smoke,
> miss when cold, etc.). Even when the engine is warm to the touch, I
> have to set the cold start in order to keep it from smoking/misfiring.
> But it will start right up ok. The plunger lift on the pump is set
> higher than the max. spec. already, there isn't much more I can turn
> it (the pump) to advance the timing. The internal advance mechanism
> inside the pump is working properly.
> Could the pump be worn so much that the plunger has to move really far
> before it starts injecting fuel?
> What happens if the timing is advanced too far? I don't want to burn
> up the engine, it has really good compression and doesn't use any oil.
> But I'm afraid to advance the pump timing any more. I won't be able to
> rebuild the pump or get a used one for a while, but the smoking is > driving me nuts!