RE: [DML] Re: Performace fuel system

["John Hervey" <john@xxxxxxxxxxxxxxxx>]

David, Yes, And where are you going to get the shims and what size how are
you going to get and how are the test results with out the equipment and
when do you know when its to much or how much. 
Then what are you going to do about fuel going back to the tank now that you
have increased fuel flow. The FV is going to get rid of it because there is
more. So the purpose is defeated via the FV / Lambda system. 
The injectors are fine as they are it's the FD that has to be modified to
gain the results that are needed.
John Hervey
www.specialtauto.com
  

-----Original Message-----
From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of
David Teitelbaum
Sent: Tuesday, March 27, 2007 7:51 AM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Re: Performace fuel system

By shimming the spring on the Primary Pressure Regulator you can
increase the pressure a little which would increase fuel flow. I know
it isn't much but it IS one of the tweaks that can be done to increase
fuel delivery. Other more radical mods would be to change the notches
or the plunger inside the fuel distributer or even changing it to a
model that flows more fuel. Changing the injectors could also help if
necessary. The main problem is it is a mechanical system. To make
tuning changes you have to either modify or replace actual parts. That
is the most impressive feature of an EFI. You can adjust it all kinds
of ways without even getting your hands dirty!
David Teitelbaum
vin 10757



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