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Hi Ed !!
<p>Ed Anderson wrote:
<blockquote TYPE=CITE>I believe all 13Bs in autos use staged injection
where only the primary
<br>injectors are on under a certain manifold pressure and rpm (I believe
around
<br>2500 rpm) with the secondary injectors joining the primary injectors
above
<br>that set point.</blockquote>
The RPM where this happened is 3800 - 3850.
<br>This is known as the 3800 hesitation, when the injectors are worn and
the pump flow are low (old fuel filter etc..) the engine will stumble at
that rpm.
<br>That's in the car, of course
<p>Just 4 your info....
<p>Regards !
<p>Martin
<br>
<blockquote TYPE=CITE>
<br> </blockquote>
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