Is the vacuum system isolated to the manifold/carb? I have never seen a
vacuum system totally replaced by a carb/manifold swap. Most all of
them I have seen have hoses running all over the place. oh well. maybe
i am thinking of some other hoses that leak and cause missing/rough
running conditions.
adrian
Ulix Goettsch wrote:
>
> On Sat, 29 Nov 1997, Adrian wrote:
>
> > perhaps a bad O2 sensor. Could you possibly have a leak in your vacuum
> > system? Your symptoms are TOO much like what her car is doing. (and
> > hers is a '91!). Just my thoughts...
> >
> > adrian
>
> But he can simulate the behavior by pulling the choke, pointing possibly
> to a rich mixture, not a lean one as caused by a vacuum leak. Also, he
> gets the same results with SUs and the Weber. Since they use different
> manifolds, both setups would have to have a vacuum leak...
>
> Next idea!
>
> Ulix
>
> >
> >
> > Larry G. Miller wrote:
> > > When driving at a steady RPM (any speed in 4th gear) the car will run
>fine for
> > > a few minutes and then start to miss. I can simulate this miss by
>pulling the
> > > choke all of the way out. When it starts missing I can press the clutch
>in
> > > and let the engine go to idle and it stops missing and will run fine for
>a few
> > > minutes and then do it again. With the accelerator wide open it never
>does it.
> > > I held it on the floor for about 5 miles on the freeway (actually passed
>a few
> > > cars) and it ran fine the whole time. A couple of minutes after I backed
>off
> > > it started to miss, mashed the clutch, let it go to idle, and it stopped.
> > >
> > > I have swapped out every major part and nothing makes any difference.
> > --
> > __________________________________
> > email: adrian@icx.net
> > adrian@utk.edu
> >
> > "How about going back to sleep for
> > a few minutes and forgetting all
> > this nonsense" -Gregor Samsa
> >
> > http://user.icx.net/~adrian/
> > http://user.icx.net/~adrian/midget/
> > __________________________________
> >
>
> Ulix __/__,__
> .......................................................... (_o____o_)....
> '67 Sprite
--
__________________________________
email: adrian@icx.net
adrian@utk.edu
"How about going back to sleep for
a few minutes and forgetting all
this nonsense" -Gregor Samsa
http://user.icx.net/~adrian/
http://user.icx.net/~adrian/midget/
__________________________________
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