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The numbers are what one would expect doing a cold pressure test. If the en=
gine was hot when you did the test I would pull it.
Rick Parent
"Doing the right thing is always the right thing, regardless of consequence=
s"
=20
On Sunday, October 29, 2023 at 07:37:22 AM MST, James Trudeau via Fot <=
fot@autox.team.net> wrote: =20
=20
Thanks Ken and Tony,
Glad to hear the bottom end has more life. Will do a leak down test and be =
asking about Triumph top end rebuilders in New England.=C2=A0
Jim
Sent from my iPhone
On Oct 28, 2023, at 7:06 PM, Ken Knight <kknight@klaenv.com> wrote:
=EF=BB=BF#yiv5651185782 filtered {}#yiv5651185782 filtered {}#yiv5651185782=
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If you can barrow a leak down tester that is still the best tool to assess =
engine health.=C2=A0 I also change oil filters after each race and cut it o=
pen to see what is trapped inside.=C2=A0 =C2=A0A well built TR race motor c=
an easily do double those hours on the bottom end.=C2=A0 In my opinion the =
key to long tern motor health, assuming a good build, is a high quality rac=
e oil.=C2=A0 My choice is Joe Gibbs Driven XP-3 10-30, I have bearings that=
look almost new at 50 hrs. using this oil.=C2=A0 No such thing as =E2=80=
=9Ccheap=E2=80=9D racing oil.=C2=A0 =E2=80=9CNever be beaten by parts=E2=80=
=9D K. Kastner.
=C2=A0
Ken
=C2=A0
=C2=A0
=C2=A0
Sent from Mail for Windows
=C2=A0
From: James Trudeau via Fot
Sent: Saturday, October 28, 2023 2:06 PM
To: fot@autox.team.net
Subject: [Fot] Race Engine Refreshing Frequency - compression results
=C2=A0
I finished a 9 weekend race/school/track day season that started in April a=
nd finished at Thompson in October with no obvious performance problems. To=
tal of 38 engine hours including warmup, grid, race, cool down.=C2=A0
=C2=A0
Did a dry compression test today:
=20
- 210
- 225
- 195
- 200
=C2=A0
I get some oil blow by at the valve cover cap and maybe some drips from low=
er end seals (not sure if oil starts at valve cover).=C2=A0
=C2=A0
I=E2=80=99m sure I=E2=80=99ll hear a suggestion to do a leak down test and =
/ or wet compression.=C2=A0
=C2=A0
Oil filter forensics?
=C2=A0
In the absence of obvious issues, how much of a tear down is warranted?=C2=
=A0
=C2=A0
Jim
Sent from my iPhone
=C2=A0
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
tt.net
=20
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<html><head></head><body><div class=3D"ydpfc6f8010yahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px=
;"><div><div dir=3D"ltr" data-setdir=3D"false">The numbers are what one wou=
ld expect doing a cold pressure test. If the engine was hot when you did th=
e test I would pull it.</div><div><br></div><div class=3D"ydpfc6f8010signat=
ure"><div style=3D"font-family:Helvetica, Arial, sans-serif;font-size:16px;=
"><div dir=3D"ltr">Rick Parent</div><div dir=3D"ltr"><br></div><div dir=3D"=
ltr">"<i>Doing the right thing is always the right thing, regardless of con=
sequences</i>"</div><div dir=3D"ltr"><br></div></div></div></div>
<div><br></div><div><br></div>
=20
</div><div id=3D"yahoo_quoted_9403074530" class=3D"yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Sunday, October 29, 2023 at 07:37:22 AM MST, James T=
rudeau via Fot <fot@autox.team.net> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"yiv5651185782"><div>Thanks Ken and Tony,<di=
v><br></div><div>Glad to hear the bottom end has more life. Will do a leak =
down test and be asking about Triumph top end rebuilders in New England.&nb=
sp;</div><div><br></div><div>Jim<br><br><div dir=3D"ltr">Sent from my iPhon=
e</div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Oct 28, 2023, at 7=
:06 PM, Ken Knight <kknight@klaenv.com> wrote:<br><br></blockquote></=
div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<style>#yiv56511857=
82 filtered {}
#yiv5651185782 filtered {}
#yiv5651185782 p.yiv5651185782MsoNormal, #yiv5651185782 li.yiv5651185782Mso=
Normal, #yiv5651185782 div.yiv5651185782MsoNormal {margin:0in;font-size:11p=
t;font-family:Calibri, sans-serif;}
#yiv5651185782 a:link, #yiv5651185782 span.yiv5651185782MsoHyperlink {color=
:blue;text-decoration:underline;}
#yiv5651185782 p.yiv5651185782li1, #yiv5651185782 li.yiv5651185782li1, #yiv=
5651185782 div.yiv5651185782li1 {margin-right:0in;margin-left:0in;font-size=
:11pt;font-family:Calibri, sans-serif;}
#yiv5651185782 span.yiv5651185782s1 {}
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#yiv5651185782 ol {margin-bottom:0in;}
#yiv5651185782 ul {margin-bottom:0in;}</style><div class=3D"yiv5651185782Wo=
rdSection1"><p class=3D"yiv5651185782MsoNormal">If you can barrow a leak do=
wn tester that is still the best tool to assess engine health. I also=
change oil filters after each race and cut it open to see what is trapped =
inside. A well built TR race motor can easily do double those h=
ours on the bottom end. In my opinion the key to long tern motor heal=
th, assuming a good build, is a high quality race oil. My choice is J=
oe Gibbs Driven XP-3 10-30, I have bearings that look almost new at 50 hrs.=
using this oil. No such thing as =E2=80=9Ccheap=E2=80=9D racing oil.=
=E2=80=9CNever be beaten by parts=E2=80=9D K. Kastner.</p><p class=
=3D"yiv5651185782MsoNormal"> </p><p class=3D"yiv5651185782MsoNormal">=
Ken</p><p class=3D"yiv5651185782MsoNormal"> </p><p class=3D"yiv565118=
5782MsoNormal"> </p><p class=3D"yiv5651185782MsoNormal"> </p><p=
class=3D"yiv5651185782MsoNormal">Sent from <a rel=3D"nofollow noopener nor=
eferrer" target=3D"_blank" href=3D"https://go.microsoft.com/fwlink/?LinkId=
=3D550986">Mail</a> for Windows</p><p class=3D"yiv5651185782MsoNormal"> &nb=
sp;</p><div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0=
pt 0in 0in 0in;"><p style=3D"border:none;padding:0in;" class=3D"yiv56511857=
82MsoNormal"><b>From: </b><a rel=3D"nofollow noopener noreferrer" ymailto=
=3D"mailto:fot@autox.team.net"; target=3D"_blank" href=3D"mailto:fot@autox.t=
eam.net">James Trudeau via Fot</a><br><b>Sent: </b>Saturday, October 28, 20=
23 2:06 PM<br><b>To: </b><a rel=3D"nofollow noopener noreferrer" ymailto=3D=
"mailto:fot@autox.team.net"; target=3D"_blank" href=3D"mailto:fot@autox.team=
.net">fot@autox.team.net</a><br><b>Subject: </b>[Fot] Race Engine Refreshin=
g Frequency - compression results</p></div><p class=3D"yiv5651185782MsoNorm=
al"> </p><p class=3D"yiv5651185782MsoNormal">I finished a 9 weekend r=
ace/school/track day season that started in April and finished at Thompson =
in October with no obvious performance problems. Total of 38 engine hours i=
ncluding warmup, grid, race, cool down. </p><div><p class=3D"yiv565118=
5782MsoNormal"> </p></div><div><p class=3D"yiv5651185782MsoNormal">Di=
d a dry compression test today:</p></div><div><ol style=3D"margin-top:0in;"=
start=3D"1" type=3D"1"><li style=3D"margin-top:0in;margin-bottom:0in;font-=
stretch:normal;" class=3D"yiv5651185782li1"><span class=3D"yiv5651185782s1"=
>210</span></li><li style=3D"margin-top:0in;margin-bottom:0in;font-stretch:=
normal;" class=3D"yiv5651185782li1"><span class=3D"yiv5651185782s1">225</sp=
an></li><li style=3D"margin-top:0in;margin-bottom:0in;font-stretch:normal;"=
class=3D"yiv5651185782li1"><span class=3D"yiv5651185782s1">195</span></li>=
<li style=3D"margin-top:0in;margin-bottom:0in;font-stretch:normal;" class=
=3D"yiv5651185782li1"><span class=3D"yiv5651185782s1">200</span></li></ol><=
div><p class=3D"yiv5651185782MsoNormal"> </p></div><div><p class=3D"y=
iv5651185782MsoNormal">I get some oil blow by at the valve cover cap and ma=
ybe some drips from lower end seals (not sure if oil starts at valve cover)=
. </p></div><div><p class=3D"yiv5651185782MsoNormal"> </p></div>=
<div><p class=3D"yiv5651185782MsoNormal">I=E2=80=99m sure I=E2=80=99ll hear=
a suggestion to do a leak down test and / or wet compression. </p></d=
iv><div><p class=3D"yiv5651185782MsoNormal"> </p></div><div><p class=
=3D"yiv5651185782MsoNormal">Oil filter forensics?</p></div><div><p class=3D=
"yiv5651185782MsoNormal"> </p></div><div><p class=3D"yiv5651185782Mso=
Normal">In the absence of obvious issues, how much of a tear down is warran=
ted? </p></div><div><p class=3D"yiv5651185782MsoNormal"> </p></d=
iv><div><p style=3D"margin-bottom:12.0pt;" class=3D"yiv5651185782MsoNormal"=
>Jim</p></div></div><p class=3D"yiv5651185782MsoNormal">Sent from my iPhone=
</p><p class=3D"yiv5651185782MsoNormal"> </p></div></div></blockquote=
></div></div></div>_______________________________________________<br><a ym=
ailto=3D"mailto:fot@autox.team.net"; href=3D"mailto:fot@autox.team.net";>fot@=
autox.team.net</a><br><br><a href=3D"http://www.fot-racing.com"; target=3D"_=
blank">http://www.fot-racing.com</a><br><br>Donate: <a href=3D"http://www.t=
eam.net/donate.html" target=3D"_blank">http://www.team.net/donate.html</a><=
br>Archive: <a href=3D"http://autox.team.net/archive"; target=3D"_blank">htt=
p://autox.team.net/archive</a> <a href=3D"http://www.team.net/pipermail/fot=
" target=3D"_blank">http://www.team.net/pipermail/fot</a><br>Unsubscribe/Ma=
nage: <a href=3D"http://autox.team.net/mailman/options/fot/rick.parent@att.=
net" target=3D"_blank">http://autox.team.net/mailman/options/fot/rick.paren=
t@att.net</a><br><br><br></div>
</div>
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_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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