RE: [Chrysler300] Electric fuel pump & gas octane

["Bob Jasinski" <rpjasin@xxxxxxxxxxx>]

Don,
 
<I would like to add an electric pump to be used as a boost pump for
starting. It would then be shut off and the mechanical pump would suck the
gas through the electric pump. I know many owners have done this, but my
question is: Would the valves in the electric pump restrict the gas flow
enough to starve the engine at higher speeds? 
 
No, I've run an electric fuel pump in line on my G for 30 years without any
problem.
 
< Is it necessary to use an octane boost additive to compensate for the
crappy alcohol fuel we are forced to use? Or is it necessary to retard the
timing some to compensate? Any consensus thinking? 


I personally have not used additives because when I tried them years ago
they didn't make much difference.  Having said that, the fuels available in
CA have changed in the last 5-10 years and I am willing to try new things
like adding two stroke oil as others have recommended.  Understand that
California has a different fuel than the other 49 states, and the Obama
administration is pushing to have California fuel imposed on all the states,
so eventually we will be all in the same boat.  This will add to the cost of
the fuel, as it has here, and may affect drivability.  I know CA fuel
evaporates very quickly, which is why an in-line electric pump is definitely
of benefit.
 
Bob J
Danville Ca
 
 
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
Behalf Of Donald Nissen
Sent: Thursday, April 04, 2013 10:51 AM
To: 300 Group
Subject: [Chrysler300] Electric fuel pump & gas octane
 
  
I would like to add an electric pump to be used as a boost pump for
starting. It would then be shut off and the mechanical pump would suck the
gas through the electric pump. I know many owners have done this, but my
question is: Would the valves in the electric pump restrict the gas flow
enough to starve the engine at higher speeds? Might it cause it to run lean?
Our engines are thirsty beasts after all. Question 2: Is it necessary to use
an octane boost additive to compensate for the crappy alcohol fuel we are
forced to use? Or is it necessary to retard the timing some to compensate?
Any consensus thinking? 
Don Nissen 300K

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