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This has made me realise that my PCV valve setup is missing the fresh air si=
de of the equation. Seeing the improvement that I=E2=80=99ve noticed with my=
current arrangement, the other piece of the puzzle should lead to a very cl=
ean runner.
Stephen, BJ8=20
Sent from my iPad
> On Jan 31, 2021, at 1:15 PM, Harold Manifold <manifold@telus.net> wrote:
>=20
> In my opinion providing a dedicated air intake and separating the streams i=
s a step in right direction. This sketch below is what I am planning. One po=
ssible addition would be a simple air oil separator on the return line but I=
am hesitant to add too much strange looking hardware if it can be avoided.
> =20
> I would appreciate any feedback and comments.
> =20
> Harold
> =20
> <Possible PCV System.JPG>
>=20
> From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Michael=
Salter
> Sent: Sunday, January 31, 2021 9:41 AM
> To: Bob Spidell
> Cc: healeys@autox.team.net
> Subject: Re: [Healeys] BN1 PCV system
>=20
> I have decided to cut some "plugs" out of a chainsaw foam air filter and i=
nsert them into the rocker cover hose. I'm thinking that flow in that hose w=
ill be the source of intake air into the engine.
>=20
> M
>=20
>> On Sat., Jan. 30, 2021, 8:45 p.m. Bob Spidell, <bspidell@comcast.net> wro=
te:
>> The best place for a fresh air source would be a small filter on the oil=20=
>> filter cap. Obviously, not an easy thing to rig up. Or, you could put a=20=
>> tube on the backside of one of the carbs, but you'd want a better filter=20=
>> than the stock grasshopper-stoppers.
>>=20
>> On 1/30/2021 3:48 PM, Harold Manifold wrote:
>> > I am also looking into a PCV system for my BT7 as well. Most of the PCV=
>> > systems I have seen on Healey's don't have a filtered fresh air intake a=
nd
>> > don't have much ability to replace the blow by and other nasty's that w=
ill
>> > accumulate in the bottom of the block. To have air changes in the botto=
m of
>> > the block a filtered fresh air source is needed and slight vacuum to dr=
aw
>> > out anything that accumulates. Ideally the fresh air would come in at o=
ne of
>> > the block and the bad air leave at the other end. There is a connection=
>> > between the tappet section and the bottom of the block but this is also=
the
>> > oil return. (A BN1 engine may be different) A PCV can be used to contro=
l the
>> > system but if the air circulating bypasses most of the engine then the
>> > system is less effective. On V8 engines the clean air comes in through o=
ne
>> > valve cover, passes through the bottom of the block and then exists via=
the
>> > other valve cover drawn by vacuum from the intake.
>> >
>> > Any good ideas where to locate a filter fresh air source?
>> >
>> > This website has excellent information on PCV valves and is where I fou=
nd
>> > the attached article by Tony Ball.
>> >
>> > http://mewagner.com/
>> >
>> > Harold
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Bob
>> > Spidell
>> > Sent: Saturday, January 30, 2021 2:41 PM
>> > To: healeys@autox.team.net
>> > Subject: Re: [Healeys] BN1 PCV system
>> >
>> > Looks clean, Michael. I am considering similar for my BN2 (but I plan t=
o fab
>> > a plate with an elbow to replace the road draft tube). If you plug the v=
alve
>> > cover vent, you'll have a 'system' similar to what I have on my BJ8, wh=
ich
>> > is an updated version of the original Norman Nock design.
>> > This isn't really a PCV system, as the crankcase and valve cover will b=
e
>> > under continuous vacuum. I suspect some air is drawn in from the rear
>> > 'seal,' which is not filtered but helps to alleviate the infamous Heale=
y
>> > bellhousing drip, and likely doesn't affect mixture all that much. If y=
ou
>> > leave the vent open--I'd put an air filter on it--you'll have a genuine=
PCV
>> > system as air will be constantly circulated through the crankcase and t=
op
>> > end. This is what I plan to do, but my 100M is vented to the CAB, for w=
hich
>> > I have a large K&N filter on the intake duct in front of the radiator.
>> >
>> > Which PCV valve did you select?
>> >
>> > Bob
>> >
>> >
>> >
>> > On 1/30/2021 12:20 PM, Michael Salter wrote:
>> >> After months of deliberation I have constructed this PCV system for my=
>> >> BN1.
>> >> The original road draft tube has been plugged just below the PCV valve=
>> >> takeoff.
>> >> Of importance was that the system would be almost impossible to see
>> >> without very close inspection.
>> >> I'm still trying to decide if I should plug the normal valve cover
>> >> vent or leave it open to serve as the PCV system intake.
>> >> Thoughts?
>> >>
>> >> M
>> >>
>> >
>>=20
>> _______________________________________________
>> Support Team.Net http://www.team.net/donate.html
>> Suggested annual donation $12.75
>>=20
>> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/arch=
ive
>>=20
>> Healeys@autox.team.net
>> http://autox.team.net/mailman/listinfo/healeys
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/michael=
salter@gmail.com
>>=20
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
>=20
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archi=
ve
>=20
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/s.hutchi=
ngs@rogers.com
>=20
--Apple-Mail-8F21D33F-4584-42A2-81DF-6E16C2E88DDB
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">This has made me realise that my PCV valve s=
etup is missing the fresh air side of the equation. Seeing the improvement t=
hat I=E2=80=99ve noticed with my current arrangement, the other piece of the=
puzzle should lead to a very clean runner.<div><br></div><div>Stephen, BJ8&=
nbsp;<br><br><div id=3D"AppleMailSignature" dir=3D"ltr">Sent from my iPad</d=
iv><div dir=3D"ltr"><br>On Jan 31, 2021, at 1:15 PM, Harold Manifold <<a h=
ref=3D"mailto:manifold@telus.net";>manifold@telus.net</a>> wrote:<br><br><=
/div><blockquote type=3D"cite"><div dir=3D"ltr">
<meta content=3D"text/html; charset=3Dus-ascii" http-equiv=3D"Content-Type">=
<meta name=3D"GENERATOR" content=3D"MSHTML 11.00.10570.1001">
<div dir=3D"ltr" align=3D"left"><span class=3D"718150318-31012021"><font col=
or=3D"#0000ff" size=3D"2" face=3D"Arial">In my opinion providing a dedicated=
air intake and=20
separating the streams is a step in right direction. This sketch below is wh=
at I=20
am planning. One possible addition would be a simple air oil separator on th=
e=20
return line but I am hesitant to add too much strange looking hardware i=
f=20
it can be avoided.</font></span></div>
<div dir=3D"ltr" align=3D"left"><span class=3D"718150318-31012021"><font col=
or=3D"#0000ff" size=3D"2" face=3D"Arial"></font></span> </div>
<div dir=3D"ltr" align=3D"left"><span class=3D"718150318-31012021"><font col=
or=3D"#0000ff" size=3D"2" face=3D"Arial">I would appreciate any feedback and=
=20
comments.</font></span></div>
<div dir=3D"ltr" align=3D"left"><span class=3D"718150318-31012021"><font col=
or=3D"#0000ff" size=3D"2" face=3D"Arial"></font></span> </div>
<div dir=3D"ltr" align=3D"left"><span class=3D"718150318-31012021"><font col=
or=3D"#0000ff" size=3D"2" face=3D"Arial">Harold</font></span></div>
<div dir=3D"ltr" align=3D"left"><span class=3D"718150318-31012021"><font col=
or=3D"#0000ff" size=3D"2" face=3D"Arial"></font></span> </div>
<div dir=3D"ltr" align=3D"left"><span class=3D"718150318-31012021"><Possi=
ble PCV System.JPG></span></div><br>
<div lang=3D"en-us" class=3D"OutlookMessageHeader" dir=3D"ltr" align=3D"left=
">
<hr tabindex=3D"-1">
<font size=3D"2" face=3D"Tahoma"><b>From:</b> Healeys=20
[<a href=3D"mailto:healeys-bounces@autox.team.net";>mailto:healeys-bounces@au=
tox.team.net</a>] <b>On Behalf Of </b>Michael=20
Salter<br><b>Sent:</b> Sunday, January 31, 2021 9:41 AM<br><b>To:</b> Bob=20=
Spidell<br><b>Cc:</b> <a href=3D"mailto:healeys@autox.team.net";>healeys@auto=
x.team.net</a><br><b>Subject:</b> Re: [Healeys]=20
BN1 PCV system<br></font><br></div>
<div></div>
<div>I have decided to cut some "plugs" out of a chainsaw foam air filter an=
d=20
insert them into the rocker cover hose. I'm thinking that flow in that hose w=
ill=20
be the source of intake air into the engine.
<div><br></div>
<div>M</div></div><br>
<div class=3D"gmail_quote">
<div class=3D"gmail_attr" dir=3D"ltr">On Sat., Jan. 30, 2021, 8:45 p.m. Bob S=
pidell,=20
<<a href=3D"mailto:bspidell@comcast.net";>bspidell@comcast.net</a>>=20
wrote:<br></div>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; BORDER-LEFT: #=
ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex">The=20
best place for a fresh air source would be a small filter on the oil=20
<br>filter cap. Obviously, not an easy thing to rig up. Or, you could put a=
=20
<br>tube on the backside of one of the carbs, but you'd want a better filt=
er=20
<br>than the stock grasshopper-stoppers.<br><br>On 1/30/2021 3:48 PM, Haro=
ld=20
Manifold wrote:<br>> I am also looking into a PCV system for my BT7 as=20=
well. Most of the PCV<br>> systems I have seen on Healey's don't have a=
=20
filtered fresh air intake and<br>> don't have much ability to replace t=
he=20
blow by and other nasty's that will<br>> accumulate in the bottom of th=
e=20
block. To have air changes in the bottom of<br>> the block a filtered f=
resh=20
air source is needed and slight vacuum to draw<br>> out anything that=20=
accumulates. Ideally the fresh air would come in at one of<br>> the blo=
ck=20
and the bad air leave at the other end. There is a connection<br>> betw=
een=20
the tappet section and the bottom of the block but this is also the<br>>=
;=20
oil return. (A BN1 engine may be different) A PCV can be used to control=20=
the<br>> system but if the air circulating bypasses most of the engine t=
hen=20
the<br>> system is less effective. On V8 engines the clean air comes in=
=20
through one<br>> valve cover, passes through the bottom of the block an=
d=20
then exists via the<br>> other valve cover drawn by vacuum from the=20
intake.<br>><br>> Any good ideas where to locate a filter fresh air=20=
source?<br>><br>> This website has excellent information on PCV valv=
es=20
and is where I found<br>> the attached article by Tony=20
Ball.<br>><br>> <a href=3D"http://mewagner.com/"; rel=3D"noreferrer n=
oreferrer" target=3D"_blank">http://mewagner.com/</a><br>><br>>=20
Harold<br>><br>><br>><br>> -----Original Message-----<br>>=20=
From: Healeys [mailto:<a href=3D"mailto:healeys-bounces@autox.team.net"; re=
l=3D"noreferrer" target=3D"_blank">healeys-bounces@autox.team.net</a>] On Be=
half Of=20
Bob<br>> Spidell<br>> Sent: Saturday, January 30, 2021 2:41 PM<br>&g=
t;=20
To: <a href=3D"mailto:healeys@autox.team.net"; rel=3D"noreferrer" target=3D=
"_blank">healeys@autox.team.net</a><br>> Subject: Re: [Healeys] BN1=20
PCV system<br>><br>> Looks clean, Michael. I am considering similar f=
or=20
my BN2 (but I plan to fab<br>> a plate with an elbow to replace the roa=
d=20
draft tube). If you plug the valve<br>> cover vent, you'll have a 'syst=
em'=20
similar to what I have on my BJ8, which<br>> is an updated version of t=
he=20
original Norman Nock design.<br>> This isn't really a PCV system, as th=
e=20
crankcase and valve cover will be<br>> under continuous vacuum. I suspe=
ct=20
some air is drawn in from the rear<br>> 'seal,' which is not filtered b=
ut=20
helps to alleviate the infamous Healey<br>> bellhousing drip, and likel=
y=20
doesn't affect mixture all that much. If you<br>> leave the vent open--=
I'd=20
put an air filter on it--you'll have a genuine PCV<br>> system as air w=
ill=20
be constantly circulated through the crankcase and top<br>> end. This i=
s=20
what I plan to do, but my 100M is vented to the CAB, for which<br>> I h=
ave=20
a large K&N filter on the intake duct in front of the=20
radiator.<br>><br>> Which PCV valve did you select?<br>><br>>=20=
Bob<br>><br>><br>><br>> On 1/30/2021 12:20 PM, Michael Salter=20=
wrote:<br>>> After months of deliberation I have constructed this PC=
V=20
system for my<br>>> BN1.<br>>> The original road draft tube ha=
s=20
been plugged just below the PCV valve<br>>> takeoff.<br>>> Of=20=
importance was that the system would be almost impossible to see<br>>&g=
t;=20
without very close inspection.<br>>> I'm still trying to decide if I=
=20
should plug the normal valve cover<br>>> vent or leave it open to se=
rve=20
as the PCV system intake.<br>>> Thoughts?<br>>><br>>>=20=
M<br>>><br>><br><br>_____________________________________________=
__<br>Support=20
<a href=3D"http://Team.Net";>Team.Net</a> <a href=3D"http://www.team.net/do=
nate.html" rel=3D"noreferrer noreferrer" target=3D"_blank">http://www.team.n=
et/donate.html</a><br>Suggested annual=20
donation $12.75<br><br>Archive: <a href=3D"http://www.team.net/piper=
mail/healeys" rel=3D"noreferrer noreferrer" target=3D"_blank">http://www.tea=
m.net/pipermail/healeys</a> <a href=3D"http://autox.team.net/archive"; rel=3D=
"noreferrer noreferrer" target=3D"_blank">http://autox.team.net/archive</a><=
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