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On 22 Jan 2005 at 21:13, Dave Pallo wrote: > Got it..........I remember seeing crankcase vent pipes on old chevys, which > just let crankcase vapors exit into the atmosphere. The only thing that > pushed out these fumes was "blow by"........ Right. That was a draft tube; the same as used on type 3s up thru '67. > so, on a 68-71 t3.....the black crankcase box was just a way to stop actual > motor oil from being exited out the hose........VW just hooked the black > box to the air cleaner so any fumes would get burnt.......(instead of > letting this hose go to atmosphere)......correct? Right again. > So, given my engine situation......my easiest way thing for me to do is gut > out the nipple on the outlet pipe of my black box, then run a hose from > here to the air cleaner...this way, I'll have a very similar crankcase vent > system to a 68-71........correct?? Easiest, maybe, but making it like the 68-71 system is the neatest overall. To make that really work right, however, I just realized that you also need the earlier air cleaner with the nipple for the breater gasses. > another thing, why the plastic caps on top of these black boxes? > inspection?? Every year has the large one. That just covers the hollow attachment bolt to the breather stand. The small 72-3 one covers where the nylon valve goes in and protrudes from the bottom in the form of the outlet nipple. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~