[DML] Re: Performace fuel system
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[DML] Re: Performace fuel system

Increasing the CONTROL pressure will lean it out. The control 
pressure acts as a spring against the top of the plunger. Changing 
the shims to thicker shims raises the PRIMARY pressure which will 
increase the flow. The control pressure acts against the primary 

Joe Kuchan

--- In dmcnews@xxxxxxxxxxxxxxx, Marc Levy <malevy_nj@...> wrote:
> I have been told by a number of people that INCREASING
> the fuel pressure on these fuel systems will LEAN the
> mixture.  Yes, I know it does not make sense..  But
> when it was explained to me, it made sense at the
> time...  I forget the reason now!!
> Also, if you increase the pressure, then wont you also
> increase the resistance on the plunger??  if so, you
> will be making it harder to open the the meter flap
> and it will cause additional restriction in the intake
> path.

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