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utf-8"></head><body dir=3D"auto"><br id=3D"lineBreakAtBeginningOfSignature">=
<div dir=3D"ltr">Sent from my iPhone</div><div dir=3D"ltr"><br>Begin forward=
ed message:<br><br></div><blockquote type=3D"cite"><div dir=3D"ltr"><b>From:=
</b> Lyman Scherer <lymanazhd@yahoo.com><br><b>Date:</b> April 7, 2025=
at 9:21:02=E2=80=AFPM MST<br><b>To:</b> Dave Riddle <Dave@microworks.net=
><br><b>Subject:</b> <b>Re: [Fot] Video from yesterday at Arizona Motorsp=
orts Park</b><br><br></div></blockquote><blockquote type=3D"cite"><div dir=3D=
"ltr">=EF=BB=BF<meta http-equiv=3D"content-type" content=3D"text/html; chars=
et=3Dutf-8">It is intake leakage.. with stock gasket (stainless covered with=
fiber material) have blown #4 and #1 ports at different events.<div> H=
ave used same gasket on same BajaTR3 engine for 7 years, dozens of events, 1=
000=E2=80=99s of miles without failure!</div><div>Variable is: TR4 intake an=
d headers that came with #65 car.</div><div>Systems checked: solid 150+ comp=
ression, plugs great! cones grey w/ no oiling, valve clearances not changing=
set .016=E2=80=9D intakes .018=E2=80=9D exhaust, timing & advance ok 20=
=E2=80=99 idle 32=E2=80=99 advance, carb jetting from past only richened mai=
n.</div><div>Solution? Crappy sealing surface clamping of intake/exhaust stu=
d hardware. Or fab soft copper gasket?<br id=3D"lineBreakAtBeginningOfSignat=
ure"><div dir=3D"ltr">Sent from my iPhone</div><div dir=3D"ltr"><br><blockqu=
ote type=3D"cite">On Apr 7, 2025, at 5:54=E2=80=AFPM, Dave Riddle via =
Fot <fot@autox.team.net> wrote:<br><br></blockquote></div><blockquote t=
ype=3D"cite"><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 Word 15 (filtered medium)">
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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Cal=
ibri",sans-serif">Yes on the Webbers. Fuel pressure seemed good as did t=
he color of th eplugs<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Cal=
ibri",sans-serif"><o:p> </o:p></span></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Cal=
ibri",sans-serif;mso-ligatures:standardcontextual"><o:p> </o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Cal=
ibri",sans-serif;mso-ligatures:standardcontextual">Dave Riddle<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Cal=
ibri",sans-serif;mso-ligatures:standardcontextual">602.692.5276<o:p></o=
:p></span></p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Cal=
ibri",sans-serif"><o:p> </o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0=
in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:11.0pt;font-family:"=
Calibri",sans-serif">From:</span></b><span style=3D"font-size:11.0pt;fo=
nt-family:"Calibri",sans-serif"> David Gott <triumphsix@yahoo.c=
om>
<br>
<b>Sent:</b> Monday, April 7, 2025 4:47 PM<br>
<b>To:</b> Dave Riddle <dave@microworks.net>; FOT (fot@autox.team.net)=
<fot@autox.team.net><br>
<b>Subject:</b> Re: [Fot] Video from yesterday at Arizona Motorsports Park<o=
:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Just because I=E2=80=99ve missed this myself and watc=
hed others do the same; check timing. I take it you are running=
webbers if you mention jetting? Curious about fuel pressure=E2=80=A6<=
o:p></o:p></p>
<div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Normally would sound like detonation if you lose midr=
ange; possible if you have an intake leak even with low compression. W=
hat do the plugs look like?<o:p></o:p></p>
<div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class=3D"MsoNormal">I=E2=80=99m likely stating the obvious things, but so=
metimes the simple is overlooked=E2=80=A6.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Hope that helps,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">Dave Gott<br>
<br>
<o:p></o:p></p>
<div>
<p class=3D"MsoNormal"><a href=3D"https://mail.onelink.me/107872968?pid=3Dna=
tiveplacement&c=3DGlobal_Acquisition_YMktg_315_Internal_EmailSignature&a=
mp;af_sub1=3DAcquisition&af_sub2=3DGlobal_YMktg&af_sub3=3D&af_su=
b4=3D100000604&af_sub5=3DEmailSignature__Static_"><span style=3D"font-si=
ze:9.0pt">Sent
from Yahoo Mail for iPhone</span></a><o:p></o:p></p>
</div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"yahoo-quoted-begin" style=3D"margin-top:0in"><span style=3D"font=
-size:11.5pt;color:#715FFA">On Monday, April 7, 2025, 7:39 PM, Dave Riddle v=
ia Fot <<a href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a>> w=
rote:<o:p></o:p></span></p>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div id=3D"yiv7680026821">
<div>
<div>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt"><a href=
=3D"https://youtu.be/MQjU3jhW7Y8"; target=3D"_blank">https://youtu.be/MQjU3jh=
W7Y8</a></span><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt"> <=
/span><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt">Took th=
e TR4 out in an HPDE3 Session to test how she=E2=80=99s handling. I like how=
she handles but we have developed a lean condition. Revs fall flat be=
tween 4-5k then come back between 5-6k. Changed
jetting and that did not really help. Neither did hotted plugs. Lyman check=
ed valve adjustments. That was not the issue either. It is odd however that w=
e are blowing out the intake gaskets but no issue with the exhaust gaskets.<=
/span><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt"> <=
/span><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt">Lyman f=
igures we are running about 90 hp at the wheel. Hopefully putting it on a dy=
no next month will help find the lean issue and maybe some more hp from this=
low compression engine. This is
the motor (and 5 speed Toyota) that was in the Baja Car which needs low com=
pression to deal with low quality fuel in Mexico. This fall a rebuilt h=
igh compression engine along with a 4 speed Triumph box will be installed.</=
span><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt"> <=
/span><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><a href=3D"http://www.microworks.net/"; t=
arget=3D"_blank"><span style=3D"font-size:11.0pt;text-decoration:none"></spa=
n></a></p><div><a href=3D"http://www.microworks.net/"; target=3D"_blank"><=
image001.jpg></a></div><o:p></o:p><p></p>
<p class=3D"yiv7680026821msonormal"><b>Dave Riddle</b><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt">Busines=
s IT Consulting</span><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt">Office:=
480.610.8234</span><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt">Cell: 6=
02.692.5276</span><o:p></o:p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt">eMail: <=
a href=3D"mailto:dave@microworks.net"; target=3D"_blank">
<span style=3D"color:#7B78FF">dave@microworks.net</span></a></span><o:p></o:=
p></p>
<p class=3D"yiv7680026821msonormal"><span style=3D"font-size:11.0pt">Website=
: <a href=3D"http://www.microworks.net/"; target=3D"_blank">
<span style=3D"color:#7B78FF">http://www.microworks.net</span></a></span><o:=
p></o:p></p>
<p class=3D"yiv7680026821msonormal"><a href=3D"https://partner.microsoft.com=
/en-US/" target=3D"_blank"><span style=3D"font-size:11.0pt;color:windowtext;=
text-decoration:none"></span></a></p><div><a href=3D"https://partner.microso=
ft.com/en-US/" target=3D"_blank"><image002.png></a></div><a href=3D"ht=
tps://www.acronis.com/en-us/" target=3D"_blank"><span style=3D"font-size:11.=
0pt;text-decoration:none"><div><image003.png></div></span></a><a href=3D=
"https://www.clio.com/"; target=3D"_blank"><span style=3D"font-size:11.0pt;te=
xt-decoration:none"><div><image004.png></div></span></a><a href=3D"htt=
ps://www.citycommunications.com/" target=3D"_blank"><span style=3D"font-size=
:11.0pt;color:windowtext;text-decoration:none"><div><image005.png></di=
v></span></a><o:p></o:p><p></p>
<p class=3D"yiv7680026821msonormal"> <o:p></o:p></p>
</div>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">______________________=
_________________________<br>
<a href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br>
<br>
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<br>
<o:p></o:p></p>
</blockquote>
</div>
</div>
</div>
<span>_______________________________________________</span><br><span>fot@au=
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