Subject: Re: [Spridgets] Excessive Crankcase pressure

From: Rick Fisk via Spridgets <[email-masked]>
Date: Fri, 3 Jun 2022 14:47:35 -0400

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Brian,

My tiny little brain can't remember, but what carb(s) are you running?

Rick

> On Jun 3, 2022, at 2:06 PM, brian S via Spridgets <[email-masked]=
t> wrote:
>=20
> =EF=BB=BF
> On an unrelated note, to my broken valve spring retainer, I think.
>=20
> This 1275 has had Excessive Crankcase pressure for a while and seems to be=
 getting worse.
> It has a breather off the old fuel pump boss going to a catch can.
> Valve cover has a breather to atmosphere and vented cap.
> Highway driving, 65 mph, which is about 4200 in my car, will fill the 1 pi=
nt catch can in about 50 miles!
> It will also try to push the Dip Stick out
> Driving around town/back roads, varied rpm, it's not too bad.=20
> It will take a while to fill the catch can.
> Compression is 172-180 in all 4 cylinders. So I thought must be rings.
> Did a Leakdown test.
> TDC, throttle open, Valve cover off, Rad cap off, dip stick out, gauge set=
 to 100psi.
> Has 0 leakdown in all 4. 0!=20
> WTH?
> Car runs great, very good power, tho it does smoke out the tail pipe some.=

> Could it be bore taper? i.e. Seal at top is good but excessive space at th=
e bottom =C2=BD or so of bore??
> Can that be checked w/o pulling the head?
>=20
> Thanks in advance for any insight.
>=20
> Brian S.
> Bugeyeracer resto'ed Thanks to Frank C.!
> ------------------------
>=20
> [email-masked]
>=20
> Donate: http://www.team.net/donate.html
> Suggested annual donation: $12.75
>=20
> Archive: http://www.team.net/pipermail/spridgets  http://autox.team.net/ar=
chive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/refisk=
@chartermi.net

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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"><div dir=3D"ltr"></div><div dir=3D"ltr">Bri=
an,</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">My tiny little brain ca=
n't remember, but what carb(s) are you running?</div><div dir=3D"ltr"><br></=
div><div dir=3D"ltr">Rick</div><div dir=3D"ltr"><br><blockquote type=3D"cite=
">On Jun 3, 2022, at 2:06 PM, brian S via Spridgets &lt;[email-masked]=
.net&gt; wrote:<br><br></blockquote></div><blockquote type=3D"cite"><div dir=
=3D"ltr">=EF=BB=BF

<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-1=
">

<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
On an unrelated&nbsp;note, to my broken valve spring retainer, I think.</div=
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
This 1275 has had Excessive Crankcase pressure for a while and seems to be g=
etting worse.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
It has a breather off the old fuel pump boss going to a catch can.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Valve cover has a breather to atmosphere and vented cap.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Highway driving, 65 mph, which is about 4200 in my car, will fill the 1 pint=
 catch can in about 50 miles!</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
It will also try to push the Dip Stick out<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Driving around town/back roads, varied rpm, it's not too bad. <br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
It will take a while to fill the catch can.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Compression is 172-180 in all 4 cylinders. So I thought must be rings.</div>=

<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Did a Leakdown test.<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
TDC, throttle open, Valve cover off, Rad cap off, dip stick out, gauge set t=
o 100psi.<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Has 0 leakdown in all 4. 0! <br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
WTH?</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Car runs great, very good power, tho it does smoke out the tail pipe some.</=
div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Could it be bore taper? i.e. Seal at top is good but excessive space at the b=
ottom =C2=BD or so of bore??</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Can that be checked w/o pulling the head?</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
Thanks in advance for any insight.<br>
</div>
<div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);">
<br>
</div>
<div id=3D"Signature">
<div>
<div>Brian S.<br>
</div>
<div>Bugeyeracer resto'ed Thanks to Frank C.!<br>
</div>
</div>
</div>
</div>

<span>------------------------</span><br><span></span><br><span>spridgets@au=
tox.team.net</span><br><span></span><br><span>Donate: http://www.team.net/do=
nate.html</span><br><span>Suggested annual donation: $12.75</span><br><span>=
</span><br><span>Archive: http://www.team.net/pipermail/spridgets &nbsp;http=
://autox.team.net/archive</span><br><span></span><br><span>Unsubscribe/Manag=
e: http://autox.team.net/mailman/options/spridgets/[email-masked]</spa=
n><br></div></blockquote></body></html>=

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[email-masked]

Archive: http://www.team.net/pipermail/spridgets  http://autox.team.net/archive

--===============9117901801603205493==--

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From: brian S via Spridgets <[email-masked]>
Date: Fri, 3 Jun 2022 21:11:07 +0000

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From: Rick Fisk via Spridgets <[email-masked]>
Date: Fri, 3 Jun 2022 18:07:43 -0400

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Do your HS2's have the brass port for venting the crankcase?

> On Jun 3, 2022, at 5:11 PM, brian S <[email-masked]> wrote:
>=20
> =EF=BB=BF
> HS2s
> .030 1275 kent 266, 1.5 rockers, 9.75:1, LCB, 60-70 psi oil pressure hot a=
t speed,=20
> no vent at Timing cover due to Belt Drive
>=20
> Brian S.
> From: Rick Fisk <[email-masked]>
> Sent: Friday, June 3, 2022 2:47 PM
> To: brian S <[email-masked]>
> Cc: spridgets list <[email-masked]>
> Subject: Re: [Spridgets] Excessive Crankcase pressure
> =20
> Brian,
>=20
>>> On Jun 3, 2022, at 2:06 PM, brian S via Spridgets <[email-masked].=
net> wrote:
>> This 1275 has had Excessive Crankcase pressure for a while and seems to b=
e getting worse.
>> Highway driving, 65 mph, which is about 4200 in my car, will fill the 1 p=
int catch can in about 50 miles!
>> TDC, throttle open, Valve cover off, Rad cap off, dip stick out, gauge se=
t to 100psi.
>> Car runs great, very good power, tho it does smoke out the tail pipe some=
.
>> Could it be bore taper? i.e. Seal at top is good but excessive space at t=
he bottom =C2=BD or so of bore??
>> Archive: http://www.team.net/pipermail/spridgets  http://autox.team.net/a=
rchive
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/refis=
[email-masked]

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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"><div dir=3D"ltr"></div><div dir=3D"ltr">Do y=
our HS2's have the brass port for venting the crankcase?</div><div dir=3D"lt=
r"><br><blockquote type=3D"cite">On Jun 3, 2022, at 5:11 PM, brian S &lt;bug=
[email-masked]&gt; wrote:<br><br></blockquote></div><blockquote type=3D"c=
ite"><div dir=3D"ltr">=EF=BB=BF

<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8">

<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
HS2s</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
.030 1275 kent 266, 1.5 rockers, 9.75:1, LCB, 60-70 psi oil pressure hot at s=
peed,
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
no vent at Timing cover due to Belt Drive<br>
</div>
<div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);">
<br>
</div>
<div id=3D"Signature">
<div>
<div>Brian S.<br>
</div>
<div>Bugeyeracer resto'ed Thanks to Frank C.!<br>
</div>
</div>
</div>
</div>
<div id=3D"appendonsend"></div>
<hr style=3D"display:inline-block;width:98%" tabindex=3D"-1">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" sty=
le=3D"font-size:11pt" color=3D"#000000"><b>From:</b> Rick Fisk &lt;refisk@ch=
artermi.net&gt;<br>
<b>Sent:</b> Friday, June 3, 2022 2:47 PM<br>
<b>To:</b> brian S &lt;[email-masked]&gt;<br>
<b>Cc:</b> spridgets list &lt;[email-masked]&gt;<br>
<b>Subject:</b> Re: [Spridgets] Excessive Crankcase pressure</font>
<div>&nbsp;</div>
</div>
<div dir=3D"auto">
<div dir=3D"ltr"></div>
<div dir=3D"ltr">Brian,</div>
<div dir=3D"ltr"><br>
</div>
<div dir=3D"ltr">My tiny little brain can't remember, but what carb(s) are y=
ou running?</div>
<div dir=3D"ltr"><br>
</div>
<div dir=3D"ltr">Rick</div>
<div dir=3D"ltr"><br>
<blockquote type=3D"cite">On Jun 3, 2022, at 2:06 PM, brian S via Spridgets &=
lt;[email-masked]&gt; wrote:<br>
<br>
</blockquote>
</div>
<blockquote type=3D"cite">
<div dir=3D"ltr">=EF=BB=BF
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
On an unrelated&nbsp;note, to my broken valve spring retainer, I think.</div=
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">

<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
Did a Leakdown test.<br>
</div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
</div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
TDC, throttle open, Valve cover off, Rad cap off, dip stick out, gauge set t=
o 100psi.<br>
</div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
Has 0 leakdown in all 4. 0! <br>
</div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
WTH?</div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
Car runs great, very good power, tho it does smoke out the tail pipe some.</=
div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
Could it be bore taper? i.e. Seal at top is good but excessive space at the b=
ottom =C2=BD or so of bore??</div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
Can that be checked w/o pulling the head?</div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div class=3D"x_elementToProof" style=3D"font-family:Calibri,Helvetica,sans-=
serif; font-size:12pt; color:rgb(0,0,0)">
Thanks in advance for any insight.<br>
</div>
<div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif; font-size:12pt; colo=
r:rgb(0,0,0)">
<br>
</div>
<div id=3D"x_Signature">
<div>
<div>Brian S.<br>
</div>
<div>Bugeyeracer resto'ed Thanks to Frank C.!<br>
</div>
</div>
</div>
</div>
<span>------------------------</span><br>
<span></span><br>
<span>[email-masked]</span><br>
<span></span><br>
<span>Donate: http://www.team.net/donate.html</span><br>
<span>Suggested annual donation: $12.75</span><br>
<span></span><br>
<span>Archive: http://www.team.net/pipermail/spridgets &nbsp;http://autox.te=
am.net/archive</span><br>
<span></span><br>
<span>Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/re=
[email-masked]</span><br>
</div>
</blockquote>
</div>

</div></blockquote></body></html>=

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From: Ron Soave via Spridgets <[email-masked]>
Date: Fri, 3 Jun 2022 18:30:44 -0500

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Doing the leakdown at TDC takes taper into account. The wear will be at the t=
op. We recently had an engine loose an exhaust guide completely on the grid=E2=
=80=A6like, gone. We blew the cap off the valve cover the irradiate was so g=
reat. You may have bent a valve a bit when the spring broke and you=E2=80=99=
re only seeing the effect whole running. I don=E2=80=99t know!=20

Ron Soave

> On Jun 3, 2022, at 1:45 PM, brian S via Spridgets <[email-masked]=
 getting worse.
 to 100psi.

chive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/soaver=
[email-masked]

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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">Doing the leakdown at TDC takes taper into a=
ccount. The wear will be at the top. We recently had an engine loose an exha=
ust guide completely on the grid=E2=80=A6like, gone. We blew the cap off the=
 valve cover the irradiate was so great. You may have bent a valve a bit whe=
n the spring broke and you=E2=80=99re only seeing the effect whole running. I=
 don=E2=80=99t know!&nbsp;<br><br><div dir=3D"ltr">Ron Soave</div><div dir=3D=
"ltr"><br><blockquote type=3D"cite">On Jun 3, 2022, at 1:45 PM, brian S via S=
pridgets &lt;[email-masked]&gt; wrote:<br><br></blockquote></div><=
blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF

<span>------------------------</span><br><span></span><br><span>spridgets@au=
tox.team.net</span><br><span></span><br><span>Donate: http://www.team.net/do=
nate.html</span><br><span>Suggested annual donation: $12.75</span><br><span>=
</span><br><span>Archive: http://www.team.net/pipermail/spridgets &nbsp;http=
://autox.team.net/archive</span><br><span></span><br><span>Unsubscribe/Manag=
e: http://autox.team.net/mailman/options/spridgets/[email-masked]</span><=
br></div></blockquote></body></html>=

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[email-masked]

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From: brian S via Spridgets <[email-masked]>
Date: Sat, 4 Jun 2022 17:46:49 +0000

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[email-masked]

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