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Re: [Fot] Race Engine Refreshing Frequency - compression results

To: Rick Parent <rick.parent@att.net>
Subject: Re: [Fot] Race Engine Refreshing Frequency - compression results
From: James Trudeau via Fot <fot@autox.team.net>
Date: Sun, 29 Oct 2023 12:51:22 -0400
Cc: fot@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <785473049.425807.1698591256859@mail.yahoo.com>
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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 Rick,<div><br></div><div>Yes=
, test was done cold.&nbsp;</div><div><br></div><div>Valve adjustment has be=
en so consistent this year, I skipped a step.&nbsp;</div><div><br></div><div=
>Russ developed the car over nearly 30 years. 8000 rpm capable, but I try to=
 avoid temptation=E2=80=A6</div><div><br></div><div>Jim<br><br><div dir=3D"l=
tr">Sent from my iPhone</div><div dir=3D"ltr"><br><blockquote type=3D"cite">=
On Oct 29, 2023, at 10:54 AM, Rick Parent &lt;rick.parent@att.net&gt; wrote:=
<br><br></blockquote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=
=BF<div class=3D"ydpfc6f8010yahoo-style-wrap" style=3D"font-family:Helvetica=
 Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div><div dir=3D"ltr" d=
ata-setdir=3D"false">The numbers are what one would expect doing a cold pres=
sure test. If the engine was hot when you did the test I would pull it.</div=
><div><br></div><div class=3D"ydpfc6f8010signature"><div style=3D"font-famil=
y: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 i=
s always the right thing, regardless of consequences</i>"</div><div dir=3D"l=
tr"><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, sa=
ns-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                    On Sunday, October 29, 2023 at 07:37:22 AM MST, James Tr=
udeau via Fot &lt;fot@autox.team.net&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div id=3D"yiv5651185782"><div>Thanks Ken and Tony,<div=
><br></div><div>Glad to hear the bottom end has more life. Will do a leak do=
wn test and be asking about Triumph top end rebuilders in New England.&nbsp;=
</div><div><br></div><div>Jim<br><br><div dir=3D"ltr">Sent from my iPhone</d=
iv><div dir=3D"ltr"><br><blockquote type=3D"cite">On Oct 28, 2023, at 7:06 P=
M, Ken Knight &lt;kknight@klaenv.com&gt; wrote:<br><br></blockquote></div><b=
lockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<style>#yiv5651185782 filt=
ered { }
#yiv5651185782 filtered { }
#yiv5651185782 p.yiv5651185782MsoNormal, #yiv5651185782 li.yiv5651185782MsoN=
ormal, #yiv5651185782 div.yiv5651185782MsoNormal { margin: 0in; font-size: 1=
1pt; font-family: Calibri, sans-serif; }
#yiv5651185782 a:link, #yiv5651185782 span.yiv5651185782MsoHyperlink { color=
: blue; text-decoration: underline; }
#yiv5651185782 p.yiv5651185782li1, #yiv5651185782 li.yiv5651185782li1, #yiv5=
651185782 div.yiv5651185782li1 { margin-right: 0in; margin-left: 0in; font-s=
ize: 11pt; font-family: Calibri, sans-serif; }
#yiv5651185782 span.yiv5651185782s1 { }
#yiv5651185782 .yiv5651185782MsoChpDefault { }
#yiv5651185782 filtered { }
#yiv5651185782 div.yiv5651185782WordSection1 { }
#yiv5651185782 ol { margin-bottom: 0in; }
#yiv5651185782 ul { margin-bottom: 0in; }</style><div class=3D"yiv5651185782=
WordSection1"><p class=3D"yiv5651185782MsoNormal">If you can barrow a leak d=
own tester that is still the best tool to assess engine health.&nbsp; I also=
 change oil filters after each race and cut it open to see what is trapped i=
nside.&nbsp; &nbsp;A well built TR race motor can easily do double those hou=
rs on the bottom end.&nbsp; In my opinion the key to long tern motor health,=
 assuming a good build, is a high quality race oil.&nbsp; My choice is Joe G=
ibbs Driven XP-3 10-30, I have bearings that look almost new at 50 hrs. usin=
g this oil.&nbsp; No such thing as =E2=80=9Ccheap=E2=80=9D racing oil.&nbsp;=
 =E2=80=9CNever be beaten by parts=E2=80=9D K. Kastner.</p><p class=3D"yiv56=
51185782MsoNormal"> &nbsp;</p><p class=3D"yiv5651185782MsoNormal">Ken</p><p c=
lass=3D"yiv5651185782MsoNormal"> &nbsp;</p><p class=3D"yiv5651185782MsoNorma=
l"> &nbsp;</p><p class=3D"yiv5651185782MsoNormal"> &nbsp;</p><p class=3D"yiv=
5651185782MsoNormal">Sent from <a rel=3D"nofollow noopener noreferrer" targe=
t=3D"_blank" href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986";>Mail<=
/a> for Windows</p><p class=3D"yiv5651185782MsoNormal"> &nbsp;</p><div style=
=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in;"><=
p style=3D"border:none;padding:0in;" class=3D"yiv5651185782MsoNormal"><b>From:=
 </b><a rel=3D"nofollow noopener noreferrer" ymailto=3D"mailto:fot@autox.tea=
m.net" target=3D"_blank" href=3D"mailto:fot@autox.team.net";>James Trudeau vi=
a Fot</a><br><b>Sent: </b>Saturday, October 28, 2023 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 Refreshing Frequency - compression res=
ults</p></div><p class=3D"yiv5651185782MsoNormal"> &nbsp;</p><p class=3D"yiv=
5651185782MsoNormal">I finished a 9 weekend race/school/track day season tha=
t started in April and finished at Thompson in October with no obvious perfo=
rmance problems. Total of 38 engine hours including warmup, grid, race, cool=
 down.&nbsp;</p><div><p class=3D"yiv5651185782MsoNormal"> &nbsp;</p></div><d=
iv><p class=3D"yiv5651185782MsoNormal">Did 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"yiv56511857=
82li1"><span class=3D"yiv5651185782s1">210</span></li><li style=3D"margin-to=
p:0in;margin-bottom:0in;font-stretch:normal;" class=3D"yiv5651185782li1"><sp=
an class=3D"yiv5651185782s1">225</span></li><li style=3D"margin-top:0in;marg=
in-bottom:0in;font-stretch:normal;" class=3D"yiv5651185782li1"><span class=3D=
"yiv5651185782s1">195</span></li><li style=3D"margin-top:0in;margin-bottom:0=
in;font-stretch:normal;" class=3D"yiv5651185782li1"><span class=3D"yiv565118=
5782s1">200</span></li></ol><div><p class=3D"yiv5651185782MsoNormal"> &nbsp;=
</p></div><div><p class=3D"yiv5651185782MsoNormal">I get some oil blow by at=
 the valve cover cap and maybe some drips from lower end seals (not sure if o=
il starts at valve cover).&nbsp;</p></div><div><p class=3D"yiv5651185782MsoN=
ormal"> &nbsp;</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 com=
pression.&nbsp;</p></div><div><p class=3D"yiv5651185782MsoNormal"> &nbsp;</p=
></div><div><p class=3D"yiv5651185782MsoNormal">Oil filter forensics?</p></d=
iv><div><p class=3D"yiv5651185782MsoNormal"> &nbsp;</p></div><div><p class=3D=
"yiv5651185782MsoNormal">In the absence of obvious issues, how much of a tea=
r down is warranted?&nbsp;</p></div><div><p class=3D"yiv5651185782MsoNormal"=
> &nbsp;</p></div><div><p style=3D"margin-bottom:12.0pt;" class=3D"yiv565118=
5782MsoNormal">Jim</p></div></div><p class=3D"yiv5651185782MsoNormal">Sent f=
rom my iPhone</p><p class=3D"yiv5651185782MsoNormal"> &nbsp;</p></div></div>=
</blockquote></div></div></div>_____________________________________________=
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