atomization enhancement

David A. Cooley n5xmt at bellsouth.net
Sat May 1 04:57:41 GMT 1999


At 12:07 PM 5/2/99 -0700, you wrote:
>I'd like to propose a simple atomization enhancement strategy.  It is
>well known that higher pressure results in better atomization in a
>fuel injection system.... Caterpillar has carried this to extremes and
>has some diesel engines running ungodly high pressures....I don't know
>the exact figures.
>    I propose changing out the injectors on my vehicle with injectors
>rated for lower flow, and raising the pressure to compensate.
>Pressure would be adjusted in "open loop" mode using an exhaust
>analyzer.  It has been said that most injectors are rated at pressures
>far above what they are operated at.
>    I'm sure this is far from an original idea, and that some of you
>have done it..... How much difference does it make, and what about
>pump load at the higher pressures..... how much increase in pressure
>is required.
>    I'd like to hear about peoples experiences and mishaps doing this

Most injectors will go to 80 maybe 100 PSI differential tops across them
before they will either stick fully open or stick fully closed.

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           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
   Sponges grow in the ocean... Wonder how deep it would be if they didn't?!
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