[DeTomaso] Oil Spray from valve cover breathers
jderyke at aol.com
jderyke at aol.com
Sat Apr 25 13:48:06 EDT 2015
Absolutely agree. In my experience, smoke or oil from the breathers ALWAYS means crankcase pressure is too high- for whatever reason, assuming parts were chosen wisely. To seat rings more quickly, one successful method is to drive the car exactly as you plan to use it- the harder the better. I've seen such engines break-in within 30 miles and last longer than slow break-ins. Babying it can vastly extend break-in time. And NOT running a PCV is a mistake, even on supercharged engines. Note- its easy to put some PCVs in upside-down, too. They don't work well that way. My 2¢- J DeRyke
But he said that it pushes the breathers out of the valve covers if he
pushes it hard.
Dennis - you¹ve got too much pressure in your crankcase. The most
likely explanation is the rings are not seated.
All of the solutions are good solutions, but it¹s just going to smoke like
crazy once you start burning that oil spray. You need to get the rings
seated.
-----Original Message-----
From: Will Kooiman <will.kooiman at gmail.com>
To: Ken Green <kenn_green at yahoo.com>; John Taphorn <jtaphorn at kingwoodcable.com>; dennis617 <dennis617 at aol.com>; detomaso <detomaso at poca.com>
Sent: Sat, Apr 25, 2015 6:58 am
Subject: Re: [DeTomaso] Oil Spray from valve cover breathers
But he said that it pushes the breathers out of the valve covers if he
pushes
it hard.
Dennis - you¹ve got too much pressure in your crankcase. The most
likely
explanation is the rings are not seated.
All of the solutions are
good solutions, but it¹s just going to smoke like
crazy once you start burning
that oil spray. You need to get the rings
seated.
On 4/25/15, 12:05 AM,
"Ken Green via DeTomaso" <detomaso at poca.com> wrote:
> I can remember in the
mid 70s, people saying Clevelands pumped way too
> much oil through the
pushrods into the heads and the oil did not drain
> fast enough. I don't
know how real that was. I assume that was with
> hydraulic lifters without
oil flow restrictors?
> Ken
>
__________________________________________________________________
>
> From:
John Taphorn <jtaphorn at kingwoodcable.com>
> To: "dennis617 at aol.com"
<dennis617 at aol.com>; Ken Green
> <kenn_green at yahoo.com>; "detomaso at poca.com"
<detomaso at poca.com>
> Sent: Friday, April 24, 2015 7:42 PM
> Subject: Re:
[DeTomaso] Oil Spray from valve cover breathers
> Ken
> I use these
Petersen risers in which I installed baffles. I had
> aluminum nuts welded
to the covers for installing the risers. The
> added heights gets them up
above the oil pool. I've tested them by
> placing a moisture separator in
the line between the riser and the
> carb. Very effective.
> JT
> On
4/24/2015 7:52 PM, [1]dennis617 at aol.com via DeTomaso wrote:
>
> No PCV valve
in this system. Even if I did put one on I would still be
> sucking up a lot
of oil without any baffles. It could, however, be
> that the rings aren't
seated yet since I only have about 150 miles on
> it. I was hoping to find a
way to baffle the breathers.
> Sent on the new Sprint Network
> -----
Reply message -----
> From: "Ken Green" [2]<kenn_green at yahoo.com>
> To:
[3]"dennis617 at aol.com" [4]<dennis617 at aol.com>,
>[5]"detomaso at poca.com"
>
[6]<detomaso at poca.com>
> Subject: [DeTomaso] Oil Spray from valve cover
breathers
> Date: Fri, Apr 24, 2015 2:56 PM
>
> Do you have a PVC valve?
I recall that PVC helps reduce or eliminate
> pressure inside the engine, and
if it's removed or blocked, you can get
> oil spray from breathers.
>
ken
>
__________________________________________________________________
>
> From:
Dennis Sanford via DeTomaso [7]<detomaso at poca.com>
> To:
[8]detomaso at poca.com
> Sent: Friday, April 24, 2015 10:57 AM
> Subject:
[DeTomaso] Oil Spray from valve cover breathers
> Hi Guys, does anyone have
any ideas how to stop my engine from
> blowing
> oil out of the
breathers on the valve covers. The engine was just
> rebuilt and now has
aluminum valve covers without any baffles by the
> openings for the
breathers. I'm getting a spray of oil out of the
> breathers and sometimes
they actual come off when i push it hard.
> These are the twist-on type of
breathers,
> _______________________________________________
> Detomaso
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-------------- next part --------------
Absolutely agree. In my experience, smoke or oil from the breathers
ALWAYS means crankcase pressure is too high- for whatever reason,
assuming parts were chosen wisely. To seat rings more quickly, one
successful method is to drive the car exactly as you plan to use it-
the harder the better. I've seen such engines break-in within 30 miles
and last longer than slow break-ins. Babying it can vastly extend
break-in time. And NOT running a PCV is a mistake, even on supercharged
engines. Note- its easy to put some PCVs in upside-down, too. They
don't work well that way. My 2A-c-- J DeRyke
But he said that it pushes the breathers out of the valve covers if he
pushes it hard.
Dennis - youA^1ve got too much pressure in your crankcase. The most
likely explanation is the rings are not seated.
All of the solutions are good solutions, but itA^1s just going to smoke like
crazy once you start burning that oil spray. You need to get the rings
seated.
-----Original Message-----
From: Will Kooiman <will.kooiman at gmail.com>
To: Ken Green <kenn_green at yahoo.com>; John Taphorn
<jtaphorn at kingwoodcable.com>; dennis617 <dennis617 at aol.com>; detomaso
<detomaso at poca.com>
Sent: Sat, Apr 25, 2015 6:58 am
Subject: Re: [DeTomaso] Oil Spray from valve cover breathers
But he said that it pushes the breathers out of the valve covers if he
pushes
it hard.
Dennis - youA^1ve got too much pressure in your crankcase. The most
likely
explanation is the rings are not seated.
All of the solutions are
good solutions, but itA^1s just going to smoke like
crazy once you start burning
that oil spray. You need to get the rings
seated.
On 4/25/15, 12:05 AM,
"Ken Green via DeTomaso" <[1]detomaso at poca.com> wrote:
> I can remember in the
mid 70s, people saying Clevelands pumped way too
> much oil through the
pushrods into the heads and the oil did not drain
> fast enough. I don't
know how real that was. I assume that was with
> hydraulic lifters without
oil flow restrictors?
> Ken
>
__________________________________________________________________
>
> From:
John Taphorn <[2]jtaphorn at kingwoodcable.com>
> To: "[3]dennis617 at aol.com"
<[4]dennis617 at aol.com>; Ken Green
> <[5]kenn_green at yahoo.com>; "[6]detomaso at poca.com"
<[7]detomaso at poca.com>
> Sent: Friday, April 24, 2015 7:42 PM
> Subject: Re:
[DeTomaso] Oil Spray from valve cover breathers
> Ken
> I use these
Petersen risers in which I installed baffles. I had
> aluminum nuts welded
to the covers for installing the risers. The
> added heights gets them up
above the oil pool. I've tested them by
> placing a moisture separator in
the line between the riser and the
> carb. Very effective.
> JT
> On
4/24/2015 7:52 PM, [1][8]dennis617 at aol.com via DeTomaso wrote:
>
> No PCV valve
in this system. Even if I did put one on I would still be
> sucking up a lot
of oil without any baffles. It could, however, be
> that the rings aren't
seated yet since I only have about 150 miles on
> it. I was hoping to find a
way to baffle the breathers.
> Sent on the new Sprint Network
> -----
Reply message -----
> From: "Ken Green" [2]<[9]kenn_green at yahoo.com>
> To:
[3]"[10]dennis617 at aol.com" [4]<[11]dennis617 at aol.com>,
>[5]"[12]detomaso at poca.com"
>
[6]<[13]detomaso at poca.com>
> Subject: [DeTomaso] Oil Spray from valve cover
breathers
> Date: Fri, Apr 24, 2015 2:56 PM
>
> Do you have a PVC valve?
I recall that PVC helps reduce or eliminate
> pressure inside the engine, and
if it's removed or blocked, you can get
> oil spray from breathers.
>
ken
>
__________________________________________________________________
>
> From:
Dennis Sanford via DeTomaso [7]<[14]detomaso at poca.com>
> To:
[8][15]detomaso at poca.com
> Sent: Friday, April 24, 2015 10:57 AM
> Subject:
[DeTomaso] Oil Spray from valve cover breathers
> Hi Guys, does anyone have
any ideas how to stop my engine from
> blowing
> oil out of the
breathers on the valve covers. The engine was just
> rebuilt and now has
aluminum valve covers without any baffles by the
> openings for the
breathers. I'm getting a spray of oil out of the
> breathers and sometimes
they actual come off when i push it hard.
> These are the twist-on type of
breathers,
> _______________________________________________
> Detomaso
Forum Managed by POCA
> Posted emails must not exceed 1.5 Megabytes
>
DeTomaso mailing list
> [[9]1][16]DeTomaso at poca.com
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> To manage your
subscription (change email address, unsubscribe, etc.)
> use the links
above.
>
>References
>
> Visible links
> 1.
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