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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">Thanks Ken and Tony,<div><br></div><div>Gla=
d to hear the bottom end has more life. Will do a leak down test and be aski=
ng about Triumph top end rebuilders in New England. </div><div><br></di=
v><div>Jim<br><br><div dir=3D"ltr">Sent from my iPhone</div><div dir=3D"ltr"=
><br><blockquote type=3D"cite">On Oct 28, 2023, at 7:06 PM, Ken Knight <k=
knight@klaenv.com> 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"><meta name=3D"Generator" content=3D"Microsoft Wo=
rd 15 (filtered medium)"><style>@font-face { font-family: "Cambria Math"; }
@font-face { font-family: Calibri; }
p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0in; font-size: 11pt; fon=
t-family: Calibri, sans-serif; }
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p.li1, li.li1, div.li1 { margin-right: 0in; margin-left: 0in; font-size: 11p=
t; font-family: Calibri, sans-serif; }
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div.WordSection1 { page: WordSection1; }
ol { margin-bottom: 0in; }
ul { margin-bottom: 0in; }</style><div class=3D"WordSection1"><p class=3D"Ms=
oNormal">If you can barrow a leak down tester that is still the best tool to=
assess engine health. I also change oil filters after each race and c=
ut it open to see what is trapped inside. A well built TR race m=
otor can easily do double those hours on the bottom end. In my opinion=
the key to long tern motor health, assuming a good build, is a high quality=
race oil. My choice is Joe Gibbs Driven XP-3 10-30, I have bearings t=
hat 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"MsoNormal"><o:p> </o:p></p><p class=3D"MsoN=
ormal">Ken</p><p class=3D"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNor=
mal"><o:p> </o:p></p><p class=3D"MsoNormal"><o:p> </o:p></p><p cla=
ss=3D"MsoNormal">Sent from <a href=3D"https://go.microsoft.com/fwlink/?LinkI=
d=3D550986">Mail</a> for Windows</p><p class=3D"MsoNormal"><o:p> </o:p>=
</p><div style=3D"mso-element:para-border-div;border:none;border-top:solid #=
E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"><p class=3D"MsoNormal" style=3D"bord=
er:none;padding:0in"><b>From: </b><a href=3D"mailto:fot@autox.team.net";>Jame=
s Trudeau via Fot</a><br><b>Sent: </b>Saturday, October 28, 2023 2:06 PM<br>=
<b>To: </b><a href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br><=
b>Subject: </b>[Fot] Race Engine Refreshing Frequency - compression results<=
/p></div><p class=3D"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal">=
I finished a 9 weekend race/school/track day season that started in April an=
d finished at Thompson in October with no obvious performance problems. Tota=
l of 38 engine hours including warmup, grid, race, cool down. <o:p></o:=
p></p><div><p class=3D"MsoNormal"><o:p> </o:p></p></div><div><p class=3D=
"MsoNormal">Did a dry compression test today:<o:p></o:p></p></div><div><ol s=
tyle=3D"margin-top:0in;-webkit-text-size-adjust: auto" start=3D"1" type=3D"1=
"><li class=3D"li1" style=3D"margin-top:0in;margin-bottom:0in;mso-list:l0 le=
vel1 lfo1;font-stretch: normal"><span class=3D"s1">210</span><o:p></o:p></li=
><li class=3D"li1" style=3D"margin-top:0in;margin-bottom:0in;mso-list:l0 lev=
el1 lfo1;font-stretch: normal"><span class=3D"s1">225</span><o:p></o:p></li>=
<li class=3D"li1" style=3D"margin-top:0in;margin-bottom:0in;mso-list:l0 leve=
l1 lfo1;font-stretch: normal"><span class=3D"s1">195</span><o:p></o:p></li><=
li class=3D"li1" style=3D"margin-top:0in;margin-bottom:0in;mso-list:l0 level=
1 lfo1;font-stretch: normal"><span class=3D"s1">200</span><o:p></o:p></li></=
ol><div><p class=3D"MsoNormal"><o:p> </o:p></p></div><div><p class=3D"M=
soNormal">I get some oil blow by at the valve cover cap and maybe some drips=
from lower end seals (not sure if oil starts at valve cover). <o:p></o=
:p></p></div><div><p class=3D"MsoNormal"><o:p> </o:p></p></div><div><p c=
lass=3D"MsoNormal">I=E2=80=99m sure I=E2=80=99ll hear a suggestion to do a l=
eak down test and / or wet compression. <o:p></o:p></p></div><div><p cl=
ass=3D"MsoNormal"><o:p> </o:p></p></div><div><p class=3D"MsoNormal">Oil=
filter forensics?<o:p></o:p></p></div><div><p class=3D"MsoNormal"><o:p>&nbs=
p;</o:p></p></div><div><p class=3D"MsoNormal">In the absence of obvious issu=
es, how much of a tear down is warranted? <o:p></o:p></p></div><div><p c=
lass=3D"MsoNormal"><o:p> </o:p></p></div><div><p class=3D"MsoNormal" st=
yle=3D"margin-bottom:12.0pt">Jim<o:p></o:p></p></div></div><p class=3D"MsoNo=
rmal">Sent from my iPhone<o:p></o:p></p><p class=3D"MsoNormal"><o:p> </=
o:p></p></div></div></blockquote></div></body></html>=
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