Crankcase Breather Recommendation |
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Crankcase Breather Recommendation |
barnfind9141972 |
Jun 21 2022, 08:53 PM
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#1
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Member Group: Members Posts: 101 Joined: 10-December 20 From: Rancho Mirage, CA Member No.: 24,976 Region Association: Southern California |
Hi everyone, I went for a spirited drive last night and came back with a huge oily mess all over the engine. I have dual carbs and no crankcase breather as I wasn’t aware the need of one, what do you all recommend? I have a 1.7 block and heads that are now a 2056 and would like to put one in that is as simple as possible. Hoping something that just connects to the oil fill tower. Thanks!
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sportlicherFahrer |
Jun 22 2022, 07:26 AM
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#2
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Nothing to see here. Group: Members Posts: 1,088 Joined: 18-April 05 From: Tacoma, WA Member No.: 3,945 Region Association: Pacific Northwest |
HAM and Jake did a test on breather setups years ago. Still relevant.
Breather Test Link Based on their analysis I use a late 2.0 fill tower plumbed to a catch can I made a mount for that sits above the middle of the case. Rocker vents are plugged. I have seen quite a few setups where there are hoses attached to the stock Djet PCV used through '74. That PCV will do absolutely nothing without manifold vacuum from the FI plenum or other source. Hoses connected from a breather box(EMPI style is pretty common) to air filter tops with one down the the PCV will not draw enough vacuum to open the PCV to allow ventilation. (IMG:http://www.914world.com/bbs2/uploads_offsite/i.imgur.com-3945-1655904401.1.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/i.imgur.com-3945-1655905847.1.jpg) (IMG:http://www.914world.com/bbs2/uploads_offsite/i.imgur.com-3945-1655904401.2.jpg) |
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