Re: the need for electric speed

[QSHIPQ <QSHIPQ@aol.com>]

In a message dated 98-03-10 12:57:17 EST, you write:

<< 
 > to CIS.  Better economy?  Not sure I go there with you.  Port FI is Port
FI.
 > Lamda is lambda. Lower emissions?  Not sure I go there either.  A CIS
-lambda
 
> Definitely.  EFI has much finer control over fuel than CIS, and it is
 >easier to calibrate, so it is easier to get really low emisions.  I'm
> not talking the garage sniffer test either.  I mean a real FTP test. 
> Actually, though, _I_ don't really care much about emissions.  Its good to
> reduce them, but I think "emissions" gets far more attention than it
> deserves. 
  >>
Agreed.  Though I look at lambda and frequency of a port EFI and figure that
your 'gains' are minimal at best.  That's a lot of gas money.  And frankly, as
long as you have a cat, FTP isn't a problem either.  As long a WOT is free,
not really an issue.

>Yep, agreed.   However, we hope to get that figure down to much less than 
>one thousand soon.  Then the argument starts to slide over to the other 
>side. :-)
Even at 1000 I'm not sure I see how it would move up in the B4B department.
That buys one real nice IC...  

>Don't count on it.  FMS already has sequential ECUs developed for other
>customers who are concerned with emissions, but in all their dyno testing,
>they have not found more than a couple percent improvement in overall
>power due to sequential alone over simultaneous. 
My understanding of SEFI vs PEFI are NOT in HP per se.  I have seen several
comparos (the Z28 and the taurus 3.8 come to mind) regarding torque figures.
Given 2.2L, I would want the gain of SEFI.   If I remember my numbers
correctly the Taurus gained almost 30lb/ft doing nothing else.  That makes
SEFI an interestin alternative to EH, IMO.  From an absolute HP standpoint I
don't disagree with your or FMS assessment.  I would look hard at the torque
figures tho.

Spending that kind of money, to me, makes me think that most don't understand
CIS, and what it is.  It isn't electronic...  It IS on your car already, and
it IS a good device, and it CAN allow you HP gains.  I know two of the fastest
5ktq's i've driven have CIS.  One can argue that it's better.  An interesting
test might be comparing Graydons 5ktq to Bob Duprees 5ktq.  Betcha more gains
came from the 3in exhaust and computer, than come from the EFI....  

Scott Justusson