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On Sun, 2004-10-10 at 20:34, Jim Adney wrote: > On 10 Oct 2004 at 9:48, Jason Weigel wrote: > > > http://images.andale.com/f2/115/106/2789089/1096582706430_Motor_tear_down_007.jpg > > > > > I suspect that a lot of people get mixed up by this when they use a '72-3 > engine and convert it to something different, like carbs. They no longer have a > proper place to connect that hose so they leave it off. Unless it is connected > to a vacuum source the crankcase will get somewhat pressurized and blowby out > the rear crank, in front of the fan, is the result. > > Now I've looked at the photo and I'm stumped, too. This is clearly an early > breather box, and I also thought they all had the hose... That crankcase breather has a road draft tube. open to atmosphere. This was a pre emissions thing, I think the road draft tube was used up through 1967. Had a little rubber boot with a slit on the bottom of the tube that closed when the engine wasn't running. -- Russ Wolfe '71 FB AT '66 FB MT '64 T34 (not running) '65 T1 (not running) russw@classicvw.org http://www.classicvw.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~