Air shrouding
DeWitt Harrison
de at aztek-eng.com
Tue Dec 5 08:15:49 EST 2000
On Tue, 05 Dec 2000 09:10:20+0000, Phil Payne wrote:
> [ ... ]
> There is an air gap between the tip of the injector and the little
> brass cap on the end. Air is forced down between the cap and the
> body of the injector - its sole purpose is to improve fuel
> atomisation.
> [ ... ]
Ah, thanks. I knew there needed to be an air passage but, honestly,
when I tried to think where it could be, I couldn't work it out. I wish I
had all the pieces in my hand to look at now because I still can't quite
visualize the complete air path from head to injector tip.
> Note, incidentally, that the hose connecting the inlet manifold and
> the head to supply these shrouds is not a hose, it's a part. There
> is a constrictor inside it and it should never be replaced with just a
> length of hose. It's possible for high boost levels to pop injectors
> out otherwise.
> [ ... ]
Oops. Looks like I need to add another p/n to the next order. Thanks
again.
DeWitt Harrison
Boulder, CO
88 5kcstq
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