[6pack] Crankase breather strategy when Strombergs are replaced

Henri Lefebvre 75teer6 at gmail.com
Mon Jul 7 16:56:51 MDT 2008


Stan,

I will reply about the venting on my triple Webers this evening.

Question:


On Sat, Jul 5, 2008 at 3:39 PM, Foster, Stan <stan.foster at hp.com> wrote:
> My understanding of the 74.5 carbon canister was that it pulled vapor from the
> fuel tank and the Stromberg float chambers and the valve cover and used the
> carbon canister as a vapor sink.
>
> Having recently removed the Strombergs and replaced them with 3xdcoe Webers
> I'm wondering what to do with the valve cover vent. I had initially thought
> that I could just plug it into the top of the carbon canister but I'm having
> second thoughts and beginning to wonder if I have not fully understood the
> original setup correctly as it would make more sense for fumes to get sucked
> into the intake path and combusted otherwise that carbon canister would
> quickly become saturated.
>
> How did the original 74.5 system work, and for anyone that has done the 3xdcoe
> conversion, what did you do for the valve cover vent ?. I imagine the
> supercharger conversion begs the same question.
>
> Stan
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