DIY_EFI Digest V1 #86

talltom talltom at teleport.com
Tue Mar 26 09:51:48 GMT 1996


Awhile back a "calibrator" with the GM aurora-northstar group posted
something. I'd
like to see if I can get him to answer a couple of questions that I can't
seem to 
get answers to.

1. Approx 20 years ago one of the GM engineers used a F.I. caddy 500 in a
motorhome
and supposedly attained some 27.?? mpg. I have some of this stuff and have
never seen
results even close, and don't really expect to. All that aside, any chance
of getting a
rundown on exactly what was done on this expieriment?

2. as one who knows just enough about engineering(I'm a dropout!) to be
totally useless, I've noticed that while there seem to be dataloggers and
dyno programs
none appear to be integrated. With what is today available it would seem to
me that 
a program and hardware should be available that could be strapped to a vehicle,
keep a log of the conditions and output, and by varying timing and mixture
determine
optimum fuel mixture, spark timing, and shift points to achieve any specified
performance goal. Has this been done? If so, by who? How long will it be
before I
can afford it?(I finally got something I've wanted for 30 years, a 46
hudson.-not!) 




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