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dmcamacho
Joined: 20 Jan 2006 Posts: 3 Location: Boise, ID
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Posted: Sun Mar 21, 2010 4:02 pm Post subject: Oil Blow Out over 4200RPM (Looks like Old Faithfull) |
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So I have been spending this winter trying to track down my oil leak. I thought it was the valley between the Intake manifold and Block. So I got some new gaskets and reSealed my intake. No leak there...but now I am BLOWING (looks like Old Faithfull) oil out the Breather Cap when ever I run the motor over 4200RPM.
I suspect I am buildling to much exhaust back pressure but I wanted to get some opinions. Here is my setup:
Custom built SBC 383 with a CompCam Marine Camshaft.
4" Kodiak Exhaust running into a Outlaw Exhaust Collector
Dual 2.5" Exhaust out of the Transom.
Thoughts????
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BLOWN INCOME
Joined: 07 Jul 2005 Posts: 127 Location: van down by the river
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Posted: Mon Mar 22, 2010 8:31 am Post subject: |
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Being a mechanic by trade heres my 2 cents...Oil out the breather cap can come from oil being thrown off the rocker arms at higher rpms if you dont have tall v-covers or a splash baffle in your valve covers.Another way to reduce this oil mess is put a pcv(positive crank case ventilation system in, to pull off some of the pressure to reduce this problem.I run a blown smallblock chev and at higher rpms,with a pcv system,i get very little oil out my breathers...try these things and happy RPM,S...
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Will R
Joined: 31 Jul 2005 Posts: 677 Location: NWT/Alberta
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Posted: Mon Mar 22, 2010 2:04 pm Post subject: |
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hahaha flippin vinny...allways lookin for an excuse to show off that purrdy lil blown small block!
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Rivernut
Joined: 16 Aug 2009 Posts: 34 Location: Massachusetts
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Posted: Thu Mar 25, 2010 10:40 am Post subject: |
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All that HP resting on one Fram oil filter??
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boosted
Joined: 04 Jun 2009 Posts: 378
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Posted: Thu Mar 25, 2010 11:18 am Post subject: |
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I always run a pcv system and it really keeps the oil under control.
_________________ Mark
Lets go back I think we missed one rock! |
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Doogie
Joined: 31 Jan 2010 Posts: 4
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Posted: Fri Mar 26, 2010 3:05 am Post subject: oil |
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Not a lot of Brains in this forum... mostly Drunk, rich Rig pigs who don't have much of a clue. They prefer to brag about there illegal activity's!
Maybe they will get fined like these Idiots driving there truck through the river in a restricted area and then Posting it on Youtube!!
http://edmonton.ctv.ca/servlet/an/local/CTVNews/20100323/edm_truck_100323/20100323/?hub=EdmontonHome
Sorry I Digress,
If your Description is ACCURATE: "but now I am BLOWING (looks like Old Faithful) oil out the Breather Cap" After your manifold reseal
Then you obviously have a lot of pressure in the crankcase and the most likely reason, Broken Rings or a hole in a piston.
Exhaust back pressure would not make a difference to the crankcase, That would simply impede cylinder filling on the intake stroke.
The simplest thing to do is a compression test.
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finally conviced her
Joined: 14 Aug 2006 Posts: 162 Location: Lacombe, AB
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Posted: Fri Mar 26, 2010 6:41 am Post subject: |
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Quote: | Not a lot of Brains in this forum... mostly Drunk, rich Rig pigs who don't have much of a clue. |
WOW
Got some attitude at 1:05am
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Arthur Outlaw Eagle Admin
Joined: 28 Oct 2006 Posts: 1654 Location: On the rocks
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Posted: Fri Mar 26, 2010 6:57 am Post subject: Re: oil |
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Doogie wrote: | Not a lot of Brains in this forum... mostly Drunk, rich Rig pigs who don't have much of a clue. They prefer to brag about there illegal activity's!
Maybe they will get fined like these Idiots driving there truck through the river in a restricted area and then Posting it on Youtube!! |
WOW...who left the back door open? Seem's like every month there is a new asshole.... Why don't you come to a race or rally this year a speak to a few guys in that tone? Or are you just a internet tough guy?
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BLOWN INCOME
Joined: 07 Jul 2005 Posts: 127 Location: van down by the river
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Posted: Fri Mar 26, 2010 8:15 am Post subject: |
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if the description was a loss of rpm,fouled plug,or plugs,or smoke out the breather....then you have ring or piston hole problem..not alot of brains maybe rum... to to talk out your BEEP..how about a leakdown test...better than compression test..also tells you where your problem is..intake or exhaust or crankcase..also check to see if your oil dip stick is getting pushed out.
Last edited by BLOWN INCOME on Fri Mar 26, 2010 8:24 am; edited 1 time in total |
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Itsworthit
Joined: 15 Jun 2005 Posts: 432 Location: Whitecourt
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Posted: Fri Mar 26, 2010 8:24 am Post subject: |
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Not a lot of Brains in this forum... mostly Drunk, rich Rig pigs who don't have much of a clue. They prefer to brag about there illegal activity's!
Maybe they will get fined like these Idiots driving there truck through the river in a restricted area and then Posting it on Youtube!!
People who post statements such as these remind me of my ex wife
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BLOWN INCOME
Joined: 07 Jul 2005 Posts: 127 Location: van down by the river
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Posted: Fri Mar 26, 2010 8:26 am Post subject: |
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carey i hate your x wife...lol (somebody needs a little nap and a time out)
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Rapid Transit
Joined: 20 Jun 2005 Posts: 206
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Posted: Fri Mar 26, 2010 9:47 am Post subject: |
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needsaboat......is that you again? multiple personalities !
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Viking502
Joined: 23 Nov 2007 Posts: 137 Location: Alberta Beach, AB
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Posted: Fri Mar 26, 2010 2:41 pm Post subject: Re: oil |
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[quote="Doogie"]Not a lot of Brains in this forum... mostly Drunk, rich Rig pigs who don't have much of a clue. They prefer to brag about there illegal activity's!
WTF!!!!
HEY Dogy. The rest of the guys on the forum are obviously too well manered to tell you, I am surprized you parents did not let you know either... YOU ARE A F*#%IN' MORON.
I am not even going to waste the time to try and explain how there are way more variables on how oil can exit valve cover breathers.
PS. I am starting to see your future...
DOGY and NEEDSABOAT sitting down together and eating a BIG
PLATE OF DINKS.
_________________ The GENE POLICE told me to "Get out of the pool". |
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DOC
Joined: 17 Jun 2005 Posts: 329 Location: Whitecourt
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Posted: Sun Mar 28, 2010 12:47 am Post subject: |
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What was that idiots name a few years ago, Mary or Marys Villain or somethin, christ i think in gettin alzheimers.
_________________ HANG ON NUTLICKER !! |
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Bam Bam
Joined: 26 Mar 2010 Posts: 5 Location: Devon
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Posted: Mon Mar 29, 2010 9:49 am Post subject: |
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This is a great form! After reading reading Doogie eaters post I had to join. The guy is an idiot. It is only because of this form I got the balls to buy a boat and paint the rocks on the Brazeau myself.
Thanks and keep her going!
_________________ "Yee Haw is not a safety warning" |
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