Blowing smoke is like drinking..... if its done in moderation, nobody cares. But if its done all the time, its annoying and ridiculous.

 

That's it in a nutshell.

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This has been bugging me ever since this was posted, and believe me, I've been trying to let it go and move on. I have no problem with it, I'm just trying to figure it out. Call it a nagging question if you will. By fixed timing, I personally was referring to cam lobes. The injectors can only deliver their fuel at a certain point in time, there is no variance on the fly. We set it and forget it.
But you say the VE has dynamic timing, and I know M&H has that little device to enhance that trait in our pumps. But how does 'dynamic timing' work? The injectors are still attached to the cam lobes, right? So timing is still essentially 'fixed.'

 

The VE advances timing as the engine revs. If you hotwire the ksb on an intercooled pump, or remove power from the ksb on a non-intercooled pump, you lock the timing at its advanced state.



As for exactly how it works, I'm not the best to answer that. The vane pump increases case pressure with rpm and moves the advance piston I believe. The ksb increases case pressure and therefore timing. This is somewhat of a generic answer, but hopefully it helps.



Here's a link with some good info about the inner workings of the VE with a section about the timing advance.

https://www.dieselbombers.com/1st-ge...operation.html