>I ran my timing chain cover vent to the "Y", with an unvented cap on
> the rocker cover, and the vent line on the rocker cover to the air
> cleaner box. My mixture always seemed fine. The car ran fine and the
> plugs always looked good. The orifice in the rocker cover vent was
> less than 1/8" diameter (IIRC).
See, YOU had the orifice in place and used it to limit the amount of air
available to the Y-pipe. Jim was proposing to avail himself of an unfiltered
hole in his oil cap roughly 1/4" in diameter. BIG difference. Also, if youy
look inside that pipe, you will find that, although the hole at the end is
about 1/8", the effective orificae is significantly smaller than that.
David Lieb
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