On Mon, Oct 19, 2009 at 9:11 PM, Peter Frederick <psf...@earthlink.net>wrote:

> White is unburned fuel, so it's not igniting for some reason.
>
> Just because an injector is new doesn't mean it's working right -- I've had
> to take one apart to get the crud out that was making it leak, for instance,
> and it's always possible something got in the pipes.
>

True - however it ran the same with the original injectors as it does with
the new ones - seems unlikely that the new set had the same issue that the
old one did, though stranger things has happened.


>
> If it knocks at low rpm without smoke, and runs fine above about 1500, it's
> likely a leaking seal ring on the pressure valve holder.  They don't always
> seal properly even when installed right, it seems.
>

Where is this pressure valve holder? I'm guessing that it's not the same as
the delivery valve, whose seals we replace?


>
> The other possibility is a dead tappet so a valve isn't opening properly.
>  Makes the engine run funny.
>

Now, that could be - perhaps it has enough pressure to keep it from
rattling, but not enough to properly open the valve?


>
> Peter
>
>
 --
> OK Don
> CONSERVATIVE, n.  A statesman who is enamored of existing evils, as
> distinguished from the Liberal, who wishes to replace them with
> others.
> The Devil's Dictionary
> Ambrose Bierce
>
>
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