[T3] 73 squareback auto trans FI question

[William Jahn]

Yes the battery is above 13 volts after driving I just read it after the
surface charge is gone usually 12 hours later or when I have a chance.

On Tue, May 17, 2022 at 2:13 PM Jim Adney <jadney at vwtype3.org> wrote:

> On 17 May 2022 at 10:31, William Jahn wrote:
>
> > and the battery even after a 1
> > mile drive reads 12.5 VDC.
>
> Right after driving, I'd expect the battery to be above 13.
>
> >  I thought perhaps since dry weather is less dense that might be the
> issue
> > since the MPS does not adjust for this just altitude as far as I know.
>
> Your engine only cares how much oxygen it's getting. I don't know how much
> the % of oxygen changes with changes in humidity. Perhaps someone here
> does.
>
> Bill Fisher's book talks about compensating for humidity when jetting
> carbs.
> It's possible that the operating principle of carbs, Bernoulli's
> principle, is
> more dependent on density than pressure.
>
> >  I did install points and they only have 1,100 miles on them and
> > while driving I don't feel any difference in pickup and they still look
> new
> > and the gap hasn't changed.
>
> Did you check the ignition timing? That would be the important thing to
> check.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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