Intake leaking oil
Thread Starter
Pro
Joined: Oct 2009
Posts: 679
Likes: 0
From: vero beach florida
Intake leaking oil
I am leaking oil out of the back of my intake AGAIN!!!
Has anybody tried the Right Stuff?
Car looks like the van from "Up in smoke" when I am at a red light, smoke everywhere.
I have tried black RTV and Blue RTV and it leaks after about a month or two, last time I came down wrong and slid it back into place, found out that is a big no-no.
Has anybody tried the Right Stuff?
Car looks like the van from "Up in smoke" when I am at a red light, smoke everywhere.
I have tried black RTV and Blue RTV and it leaks after about a month or two, last time I came down wrong and slid it back into place, found out that is a big no-no.
Le Mans Master
Joined: Feb 2000
Posts: 9,715
Likes: 27
From: Kempner Texas
I am leaking oil out of the back of my intake AGAIN!!!
Has anybody tried the Right Stuff?
Car looks like the van from "Up in smoke" when I am at a red light, smoke everywhere.
I have tried black RTV and Blue RTV and it leaks after about a month or two, last time I came down wrong and slid it back into place, found out that is a big no-no.
Has anybody tried the Right Stuff?
Car looks like the van from "Up in smoke" when I am at a red light, smoke everywhere.
I have tried black RTV and Blue RTV and it leaks after about a month or two, last time I came down wrong and slid it back into place, found out that is a big no-no.
If you'd like, you can go to the LS1LT1.com site, then the LT1 Engine Tech board and read a STICKY I posted there. It has the procedure I've used for many years which'll explain exactly how to re-seal the intake so it won't leak in the future.
Let me know if I can help further.
Jake
Race Director
Joined: Jun 2004
Posts: 13,963
Likes: 709
From: WI
I had a small leak last year. It was my fault for moving the intake some after it was set down. I had to hurry and heli-coil one intake bolt that wouldn't torque. Anyways I was able to clean the gap really good and add RTV to it. I removed the dizzy and wiped some in the gap from the inside too. It sealed up and was easier then pulling the whole intake!
Thread Starter
Pro
Joined: Oct 2009
Posts: 679
Likes: 0
From: vero beach florida
Lots of guys like The Right Stuff, but I suspect your problem is the prep.
If you'd like, you can go to the LS1LT1.com site, then the LT1 Engine Tech board and read a STICKY I posted there. It has the procedure I've used for many years which'll explain exactly how to re-seal the intake so it won't leak in the future.
Let me know if I can help further.
Jake
If you'd like, you can go to the LS1LT1.com site, then the LT1 Engine Tech board and read a STICKY I posted there. It has the procedure I've used for many years which'll explain exactly how to re-seal the intake so it won't leak in the future.
Let me know if I can help further.
Jake
Instructor
Joined: Jan 2010
Posts: 174
Likes: 4
From: Austin_Palm Bay_Houston Texas_Florida_Texas
You may also want to check your oil pressure sending unit. These are notorious for leaking. There are actually 2 of them that sit behind the intake manifold on the drivers side. Some folks have mistaken a leaking oil pressure sender for a leaking intake.... Just a thought, as it is hard to believe that you have had so much bad luck with getting a good seal on your intake.
"The Right Stuff" is great.... In fact, so good that I would hate to have to ever go back and remove this stuff !!!
"The Right Stuff" is great.... In fact, so good that I would hate to have to ever go back and remove this stuff !!!
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Le Mans Master
Joined: Aug 2007
Posts: 8,735
Likes: 413
From: WV
I believe the post Jake is refering to is the one he did on dimpleing the China Wall and the intake. I read this a few years ago and tried it and I have to say it worked great, I have had no problems since using his method, once you see it you will understand why it works..
..Thanks Jake...WW
..Thanks Jake...WW
Le Mans Master
Joined: Feb 2000
Posts: 9,715
Likes: 27
From: Kempner Texas
I believe the post Jake is refering to is the one he did on dimpleing the China Wall and the intake. I read this a few years ago and tried it and I have to say it worked great, I have had no problems since using his method, once you see it you will understand why it works....Thanks Jake...WW
..Thanks Jake...WWI wanted to post it here as a STICKY/Tech Tip, but couldn't get the Tech Tips section to work. So, I posted it on a few other Forums when the Moderators asked me to.
Jake
Safety Car
Joined: Dec 2007
Posts: 3,616
Likes: 5
From: Sandhills of North Carolina
Race Director
Joined: Jan 2005
Posts: 10,641
Likes: 13
From: Slidell Louisiana
Last edited by aboatguy; Feb 11, 2010 at 05:14 PM. Reason: deleted comment about Rosie O'Donnell's fat dimpled a
Le Mans Master
Joined: Oct 2008
Posts: 9,758
Likes: 49
From: Houston Texas
Lots of guys like The Right Stuff, but I suspect your problem is the prep.
If you'd like, you can go to the LS1LT1.com site, then the LT1 Engine Tech board and read a STICKY I posted there. It has the procedure I've used for many years which'll explain exactly how to re-seal the intake so it won't leak in the future.
Let me know if I can help further.
Jake
If you'd like, you can go to the LS1LT1.com site, then the LT1 Engine Tech board and read a STICKY I posted there. It has the procedure I've used for many years which'll explain exactly how to re-seal the intake so it won't leak in the future.
Let me know if I can help further.
Jake
I used the right stuff the last time but rtv has always worked for me
Le Mans Master
Joined: Sep 2006
Posts: 6,050
Likes: 147
From: Phoenix AZ
2021 C4 of the Year - Modified Finalist
If you have a leak at the intake to block junction, you might want to attach a 0-15 PSI pressure gauge where the PCV valve goes into the rocker cover.
The breather should take care of the block venting, but if it doesn't, the sealant at the back of the block will usually blow out and give the crankcase some relief from too much pressure.
This means that the vent tube may be blocked by having some form of sludge, or other obstruction in the hose, or the hose is coming apart internally, not venting under acceleration.
If you have pressure when revving the engine with the gauge stuck in the valve cover, remove the breather hose from the manifold, and check the gauge again when revving it. If the pressure goes away, and the gauge reads zero, the hose is at fault.
OR
your engine is pinging excessively, creating large amounts of crankcase pressure, and your knock sensor may be at fault, not telling the ECM to pull back the timing.
OR
The electronic spark control module is at fault if it's a L98.
OR
there is a problem with the distributor module if it's an L98
The breather should take care of the block venting, but if it doesn't, the sealant at the back of the block will usually blow out and give the crankcase some relief from too much pressure.
This means that the vent tube may be blocked by having some form of sludge, or other obstruction in the hose, or the hose is coming apart internally, not venting under acceleration.
If you have pressure when revving the engine with the gauge stuck in the valve cover, remove the breather hose from the manifold, and check the gauge again when revving it. If the pressure goes away, and the gauge reads zero, the hose is at fault.
OR
your engine is pinging excessively, creating large amounts of crankcase pressure, and your knock sensor may be at fault, not telling the ECM to pull back the timing.
OR
The electronic spark control module is at fault if it's a L98.
OR
there is a problem with the distributor module if it's an L98
Last edited by coupeguy2001; Feb 12, 2010 at 02:22 PM.
Team Owner
Joined: Jan 2009
Posts: 73,568
Likes: 33
From: Somewhere in Mo
St. Jude Donor '09-'10, '14
I believe the post Jake is refering to is the one he did on dimpleing the China Wall and the intake. I read this a few years ago and tried it and I have to say it worked great, I have had no problems since using his method, once you see it you will understand why it works....Thanks Jake...WW
..Thanks Jake...WWI read through Jakes diections on how to do that as well and he did a very good write up.