<VV> Looking for a fuel flow sender or MPG gauge for carb engine, not EFI...

[FrankCB at aol.com]

Larry,
    I wouldn't recommend getting a MPG gauge that  registers INSTANTANEOUS 
fuel consumption.  My late wife's 1989 Beretta had  the optional digital 
dash that showed either instantaneous or average MPG.   Unless you are driving 
on a perfectly FLAT road, the instant. reading will vary  all over the place 
even on apparently flat normal-driving roads.
    If you really want to improve your 455 engine's  mileage, get a 
WIDE-band O2 sensor (check Innovate) and use it to set the A/F  ratio for cruising 
conditions.  This assumes you are using lead-free  gasoline otherwise the 
sensor won't last long.  You'll also need a timing  light (I use a "dial back" 
one) to set up the ignition timing  correctly.
     Good luck and let us know what works for  you,
Frank Burkhard
Boonton, NJ
      
 
 
In a message dated 10/3/2012 11:31:14 P.M. Eastern Daylight Time,  
larry at forman.net writes:

I have  been looking for either an MPG gauge or fuel flow sender that I 
can use to  make an MPG gauge for my Ultravan, Toronado powered Holley 
carbed  engine.   I have found a few expensive marine or aero fuel flow  
senders and have not found any old Zemco (or other brand) fuel meters  
from the 70's.   Those might be too restrictive for a 455  engine's carb 
inlet line.    Any ideas would be appreciated so I  can make some 
instrumented improvements in fuel economy.  I would be  interested in any 
DIY or manufactured MPG meters for non-EFI engines and  non-OBDII engines.

FWIW, my Ultravan #545 is running between 12 and 13  mpg on long trips, 
which is not to bad considering the engine, weight and  frontal area, but 
I am looking to improve that regardless.

Any  assistance would be appreciated.

Thanks,

Larry  Forman
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