 oil and crank case breather |
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| zeezee |
 Oct 16 2008, 03:55 AM
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#1
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Member  Group: Members Posts: 115 Joined: 16-October 08 From: san ramon, ca Member No.: 9,651 Region Association: Northern California  |
Bare with me I know nothing about my "new" 914....
I see setup that connects the oil breather and two crankcase (?) breathers to a foam filter inclosed in an aluminum box. It's a closed loop - nothing escapes to the air. Is this an aftermarket setup? Or something for emissions (nolonger a regulated concern) ? The hoses need replacing. But, I resently saw a picture of a 914 engine with a nice little oil breather filter - sure looks cleaner than my hose jungle. Maybe I'll do that! But, what do I do with the two open crankcase(?) holes? |
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| BarberDave |
Oct 16 2008, 05:04 AM
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#2
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Barberdave Group: Members Posts: 1,605 Joined: 12-January 03 From: Wauseon Ohio Member No.: 135 Region Association: Upper MidWest |
(IMG:style_emoticons/default/smilie_pokal.gif)
You probbly have 2 carbs or 1 . Right This is the way venting engine is handled when the switch to carbs is Done. Aftermarket!!! I have the same, in side the box is foam this lets blow by and pressure from the crank case excape to the atmosphere. Take the box apartr and notice the fit of the top ,this allowes venting to happen. Foam traps oil vapor and lets it return to engine. Those small filters ? don't work. Drain back to engine is usually done with bottom hose ,thru PCV valve, drill out the guts of it to vasilate drainage. Dave (IMG:style_emoticons/default/slap.gif) |
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| Mark Henry |
Oct 16 2008, 07:00 AM
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#3
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
QUOTE(BarberDave @ Oct 16 2008, 07:04 AM)  .....this lets blow by and pressure from the crank case excape to the atmosphere. Take the box apartr and notice the fit of the top ,this allowes venting to happen. And is why your engine compartment is an oily mess. (IMG:style_emoticons/default/smile.gif) |
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| zeezee |
Oct 21 2008, 03:00 AM
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#4
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Member Group: Members Posts: 115 Joined: 16-October 08 From: san ramon, ca Member No.: 9,651 Region Association: Northern California |
OK - thanks.
The engine was converted to dual carbs. Was setup for autoX - probably why the PO added the breather system. Since it is now just a daily-driver street machine - why kind of breather system is recommended? |
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| southernmost914 |
Oct 21 2008, 04:17 AM
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#5
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KEY WEST/HAVANA Tunnel Authority Group: Members Posts: 338 Joined: 16-October 07 From: Key West/ St. Augie, Fl USA Member No.: 8,234 Region Association: South East States 
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