Geoff,
Don't worry about it. That tap is, I believe, from a
servo line for some Mini application, but is commonly
used for PCV intake. If the manifold is new the tap
is blank, isn't it? I drilled and tapped a pipe
thread on mine to fit the valve I used, and have had
no problems. BTW, if you were going to hook up a
vacuum advance line for your dizzy, David Anton told
me to "Y" in 2 taps from each side to avoid pulsing.
--- Geoff Branch <branch@valinet.com> wrote:
> I was about to start putting an PCV valve in my '74
> 1275 and realized that
> it has a Cannon intake manifold on it, with only one
> possible place to
> connect the PCV. This on tap is on the forward of
> the two manifold halves,
> that is, feeding the front two cylinders. My
> questions then: Wouldn't this
> throw off the mixture in the front two cylinders?
> And with a Weber side
> sucker I really, really don't want to attempt
> jetting the two sides
> differently, do I??? Does anyone know if this is a
> metric threaded tap?
> Anyone out there with any experience with these
> Cannons? Thanks in advance
> as always.
>
> Geoff Branch
>
>
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