[Spridgets] To vent or not to vent

72 Spridget 72spridget at gmail.com
Fri Mar 20 19:01:25 MST 2009


>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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