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-   -   Crank case breather?! (https://www.dieselbombers.com/5-9l-12v-performance/87053-crank-case-breather.html)

CumminsKid6 11-30-2011 08:41 PM

Crank case breather?!
 
Well to start I've read that the stock breathers aren't built that well in the first place. But when I turn my motor harder than normal it pukes just alil bit of oil outta the dip stick tube. So could I possibly just need a better crank case breather system. I was looking at one from haisley machine. Do u think it'd work well. Here's the link. Input appreciated

TAPPET COVER, BILLET ALUMINUM Haisley Machine

H.R.D 11-30-2011 09:58 PM

No link my friend. I am sure you could build one yourself for a lot less. I know people put a breather on each valve cover.

CumminsKid6 12-01-2011 07:21 AM

Ten four. But do u think that could be what my problem is just not enough breather

TAPPET COVER, BILLET ALUMINUM Haisley Machine

H.R.D 12-01-2011 02:52 PM

Honestly man I don't know. Hopefully someone else will chime in and give you more info then I can.

aguilar_15 12-01-2011 03:00 PM

I don't think it's supposed to be throwing oil back out of the tube, it sounds like you've got something more going on here than the breather. I'm no 12valve specialists, so I may be wrong. Good luck man

95taylor331 12-01-2011 05:43 PM

I went to are local speed shop and got the K&N breathers and drilled a hole in 1,3, and 5 valve covers, then welded a piece of 3/4 inch pipe about 1" tall to each one and clamped each filter to that, Cost me like 35 bucks that way

CumminsKid6 12-01-2011 10:03 PM

95taylor331. Did u ever have the problem I'm having when u turned the motor harder. Like I said. It's the only time it does it. Just cruising or getting up to speed it won't do it.

95taylor331 12-01-2011 11:04 PM

I never had this problem, Honestly my best guess is you have some blow by, The filters might help realease the blowby pressure and prevent it, One way you can find out is pull your oil cap off , go run it hard for a min and see if it has spit any out your dip stick

CumminsKid6 12-02-2011 01:35 PM

Ten four. Thanks. I'll go try it after I get my tranny fixed. Yesterday after work my fith gear nut came off so I'll be fixing that this weekend. But if anyone else has an idea please chime in. Any and all input is appreciated

95taylor331 12-02-2011 07:41 PM

Not to change the subject but dont tack the nut, If you ever need to rebuild the tranny you will have to replace the output shaft, Just get the nut with the set screw, I believe its like 26 bucks

tower_ofpower 12-03-2011 12:15 PM

Definitely caused by excessive crank case pressures, doesn't mean
Anything is wrong, just means your factory breather is plugging up. Although excessive blow by can still cause the dipstick to act as a vent if theres more gasses to get rid of than the stock vent can handle.


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CumminsKid6 12-03-2011 08:57 PM

ok. well im gonna figure a way to put more breathers on it. and its not fifth gear nut. it has one with set screws in it. synchros came out.

95taylor331 12-04-2011 11:54 AM

Oh alright man, Let me know what happens with it, all try and think of more stuff

CumminsKid6 12-04-2011 05:17 PM

Thanks

smoking12valve 12-07-2011 09:54 PM

i heard that the stock crankcase breather gets plugged causing it to blow out of the dipstick. try pushing a piece of wire up the breather tube along the drivers side by the starter and see if that helps.

blacksmoke82 12-09-2011 06:36 PM

i have a similiar tappet cover an theres no baffle in it so there is a pretty good amount of oil coatin the underside of the truck from the hoses. i dont recomend gettin one with out a baffle unless you want to mark your "spot" everytime you park the truck

keithduke01 12-09-2011 09:43 PM

another good but a little pricey option is cummins two valve cover breather system, it connects two valve covers with a breather on top, it helps a lot if you put two sets on (4 valve covers and two breathers and plug the factory breater hole bc it moves the vent higher up on the engine only drawback, other than the price, is you cant use the dodge cummins valve cover piece that goes from front to back. here is a link to a photo of what im talking about. http://www.dieselstorm.com/index.php...d8f8fub39li2k4


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