Hi Paul,
Thanks for the reply. On the setup that I have received, each of the air
filters boxes has small pipe welded into it so that the fumes from the
valve cover will be sucked into the intake just downstream from the air
filter. I think that this is probably going to work pretty well (crossing
my fingers). Would you mind sending me a photo? That would be
great! These came with a manifold that looks exactly like the one that is
stock on the 74. In fact, the carbs and manifold that I have now on the
car are from a '72.
How does your car run with these carbs? Any difference in performance or
mileage or anything else? I rebuilt the engine about 2 years ago with +20
pistons, triple angle valve job and an S2 cam, so it is a little different
from stock and I have headers to go onto it, probably after I get the carbs
set up and running correctly.
Rob
At 02:20 PM 2/12/2001, Paul J. Burr wrote:
>Rob:
>I have the same setup in my '74. Realizing that the '74 was a vacuum retard
>only, I plugged the vacuum line on the carb. I removed the line and capped
>off the distributor end. The runs great w/o the vacuum retard.
>One word of warning on Weber downdraft set up- The PCV system!
>The PO that I got the car from installed the webbers and had NO PCV system
>at all. The result was the engine would push a quart of oil out the filler
>cap every 200 miles!
>With a lot of help form the list, I rigged one up using a '69 TR6 PCV valve
>and hose. Several trips to the hardware and auto parts stores yielded all
>the hose barbs and elbows needed to hook it up.
>A few short trips around town seem to indicate an improvement, but a longer
>trip will have to wait for warm weather and snow free roads.
>I can send a picture of what I did, if you'd like.
>
>Paul
>
>
> >
> > I have a pair of weber downdrafts to go onto my TR6 when the weather warms
> > up here in the midwest and I can tinker with it again. I've been thinking
> > about what to do with the vacuum line to the distributor from the rear
> > carb. I have the stock ZS carbs on it now and I hadn't realized that this
> > was the way the vacuum retard works on this setup.
> >
> > Does anyone have suggestions on what to do with the vacuum line and the
> > distributor with this type of setup?
> >
> > Rob
> > 74 TR6 daily driver (except in the salt/snow!)
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