> >         Yes, I've used the same method, the results are quite accurate,
> > especially if filling up with the identical pump.
>
> I can do this with varying octanes.  On long drives (1500+
> miles), which I do
> regularly, I use 89 octane.  For piddling around town I use 93 for my
> lead-foot.  With the 89 octane, the knock controller with pull back the
> timing, and raise it with the 93.

        For various reasons I've been running her on 91 octane since we've had her,
she likes it. :)

> >         Plus, with flow sensors, I'd need two, one for the
> supply line, one
> > for the return line. Double ouch...
>
> Yes, but not all cars have a return system.  The new Ford Mustangs have a
> returnless system for example.  Not sure about your car.

        Definately does, had to replace part of the return line once...

> >         Thanks, that would be the perfect spec, of course I'd
> have to find
> > out exactly what injector is being used, and hope to get the
> spec, thanks
> > for the pointer.
>
> That should be easy to find from the dealer or the part # on the
> injector.
> Most of these are aftermarket from one of just a few mfgrs.
> Chevy does not
> manufacture them.

        Thanks to your info I was able to fine the specs, thanks.

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