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P = T*R/5252 <br>
When people talk about a torquey engine, they usually mean it makes
its power a low revs. <br>
<br>
I once ran an engine on two different rolling road dynos (a Dynojet
and a Mustang Dyno. The guys at the dyno shop said the second one
would give less hp because they used a brake in their setup. I said,
"you didn't calibrate for that"? They backpedaled and gave me a line
of BS. Then the power and torque curves they produced did not agree
with the equation. To get an explanation, I worked my way up the
chain and eventually talked to the dyno companies head "technical"
guy. He said he thought it must be the calibration! I said, "it is
basic physics, like saying F = ma". Since then, I have never trusted
dyno numbers. Good for comparative tuning runs only and of course,
bench racing.<br>
- Larry<br>
<br>
<div class="moz-cite-prefix">On 9/2/2018 10:46 PM, Bill via Fot
wrote:<br>
</div>
<blockquote type="cite" cite="mid:Wu2u1y01V15GZSQ01u2w82">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
It always puzzles me when people say that. Horsepower is torque
times RPM (and a conversion factor). Torque is horsepower/RPM. So
how can one count more than the other? <br class="">
<div><br class="">
<blockquote type="cite" class="">
<div class="">On Sep 2, 2018, at 4:13 PM, Mordy Dunst via Fot
<<a href="mailto:fot@autox.team.net" class=""
moz-do-not-send="true">fot@autox.team.net</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">Its the torque that counts. So, I suspect the
motor enhancements took the benefit of the tractor stroke.
If the motor is able to produce that power at 6k rpm
with shift at 6500.
<div class="">I shift at @ 6200 - my motor
produces max power @5800 on the dyno. I use a kastner
designed cam for which I have the masters. </div>
<div class=""><br class="">
</div>
<div class=""> <br class="">
<div class=""><br class="">
<div id="__aol_mail_signature__" class="">MDunst
<a dir="ltr" href="http://headgasket.com/"
x-apple-data-detectors="true"
x-apple-data-detectors-type="link"
x-apple-data-detectors-result="0" class=""
moz-do-not-send="true">Headgasket.com</a>
<a dir="ltr" href="tel:626.358.1616"
x-apple-data-detectors="true"
x-apple-data-detectors-type="telephone"
x-apple-data-detectors-result="1" class=""
moz-do-not-send="true">626.358.1616</a>
<div class="">Fax <a dir="ltr" href="tel:626.628.3777"
x-apple-data-detectors="true"
x-apple-data-detectors-type="telephone"
x-apple-data-detectors-result="2" class=""
moz-do-not-send="true">626.628.3777</a> </div>
<div class="">Triple R Munitions, Inc
<a dir="ltr" href="tel:626.201.9471"
x-apple-data-detectors="true"
x-apple-data-detectors-type="telephone"
x-apple-data-detectors-result="3" class=""
moz-do-not-send="true">626.201.9471</a> </div>
<div class="">T
FFL 6,7 SOT 2</div>
</div>
<br class="">
<div class="aolmail_replyHeader"> On Sunday, September
2, 2018, John Styduhar via Fot <<a dir="ltr"
href="mailto:fot@autox.team.net"
x-apple-data-detectors="true"
x-apple-data-detectors-type="link"
x-apple-data-detectors-result="4" class=""
moz-do-not-send="true">fot@autox.team.net</a>> wrote:
</div>
<br class="">
<blockquote style="margin:0 0 0 9px;padding:0 0 0 9px;"
class="">
<div
id="AOLMsgPart_1.2_6f74e8be-4e7c-4103-89ed-2529f44cfade"
class="">
<div class="aolReplacedBody">
<div dir="ltr" class="">
<div class="gmail_default"
style="font-size:small">What kind of
modifications were done to the engine to
extract over 200 HP from a tractor engine?
Nitrous shot.</div>
<div class="gmail_default"
style="font-size:small"><br class="">
</div>
</div>
<br class="">
<div class="gmail_quote">
<div dir="ltr" class="">On Sat, Sep 1, 2018 at
3:05 PM Thomas Boyd <<a
href="mailto:tom@trenterprises.com"
target="_blank" class=""
moz-do-not-send="true">tom@trenterprises.com</a>>
wrote:<br class="">
</div>
<blockquote class="gmail_quote" style="margin:0
0 0 .8ex;border-left:1px #ccc
solid;padding-left:1ex">
<div dir="auto" class="">
<div class="">All of our FIA race cars are
running legal 87mm engines.</div>
<div
id="m_8321584711312764493AppleMailSignature"
class="">Just rolling roaded the latest
SLR build at well north of 200bhp<br
class="">
<br class="">
Thomas Boyd
<div class="">Director</div>
<div class="">TR Enterprises</div>
<div class=""><a dir="ltr"
href="tel:01623%20793807;302"
x-apple-data-detectors="true"
x-apple-data-detectors-type="telephone"
x-apple-data-detectors-result="6"
class="" moz-do-not-send="true">01623
793807 (ext 302)</a></div>
<div class=""><a
href="http://www.trenterprises.com/"
target="_blank" class=""
moz-do-not-send="true">www.trenterprises.com</a></div>
<div class=""><br class="">
</div>
</div>
<div class=""><br class="">
On 1 Sep 2018, at 17:02, John Styduhar via
Fot <<a
href="mailto:fot@autox.team.net"
target="_blank" class=""
moz-do-not-send="true">fot@autox.team.net</a>>
wrote:<br class="">
<br class="">
</div>
<blockquote class="">
<div class="">
<div dir="ltr" class="">
<div class="gmail_default"
style="font-size:small">If you
really had serious compliance with
most group's rules, I would guess
half the TR cars would not pass
muster. Let's have fun together. </div>
<div class="gmail_default"
style="font-size:small"><br class="">
</div>
</div>
<br class="">
<div class="gmail_quote">
<div dir="ltr" class="">On Sat, Sep 1,
2018 at 9:40 AM Terry Stetler via
Fot <<a
href="mailto:fot@autox.team.net"
target="_blank" class=""
moz-do-not-send="true">fot@autox.team.net</a>>
wrote:<br class="">
</div>
<blockquote class="gmail_quote"
style="margin:0 0 0
.8ex;border-left:1px #ccc
solid;padding-left:1ex">
<div class="">
<div
class="m_8321584711312764493m_8355303263618601104WordSection1">
<p class="MsoNormal">Indeed
there are Glen.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Sent from <a
href="https://go.microsoft.com/fwlink/?LinkId=550986" target="_blank"
class=""
moz-do-not-send="true">
Mail</a> for Windows 10</p>
<p class="MsoNormal"> </p>
</div>
<hr
style="display:inline-block;width:98%"
class="">
<div
id="m_8321584711312764493m_8355303263618601104divRplyFwdMsg"
dir="ltr" class=""><font
style="font-size:11pt"
class="" face="Calibri,
sans-serif"><b class="">
From:</b> Fot <<a
href="mailto:fot-bounces@autox.team.net"
target="_blank" class=""
moz-do-not-send="true">fot-bounces@autox.team.net</a>>
on behalf of fubog1 via Fot
<<a
href="mailto:fot@autox.team.net"
target="_blank" class=""
moz-do-not-send="true">fot@autox.team.net</a>><br
class="">
<b class="">Sent:</b>
Saturday, September 1, 2018
7:34:26 AM<br class="">
<b class="">To:</b> <a
href="mailto:rkramer56@gmail.com"
target="_blank" class=""
moz-do-not-send="true">rkramer56@gmail.com</a><br
class="">
<b class="">Cc:</b> <a
href="mailto:fot@autox.team.net"
target="_blank" class=""
moz-do-not-send="true">fot@autox.team.net</a><br
class="">
<b class="">Subject:</b> Re:
[Fot] 89MM piston question</font>
<div class=""> </div>
</div>
<div class=""><font class=""
size="2" face="Arial,
Helvetica, sans-serif">
<div style="font-family:
arial, helvetica; font-size:
10pt;" class="">
<div
id="m_8321584711312764493m_8355303263618601104AOLMsgPart_2_9833cc70-880c-4ad8-a3c6-7dd354e849c9"
class=""><font class=""
size="2" face="Arial,
Helvetica, sans-serif">
<blockquote
style="border-left:2px
solid
blue;padding-left:3px"
class="">everybody
else seems to be using
89.<br class="">
</blockquote>
<div class="">
<div class=""><font
class="" size="2">HaHa
not everybody,
rules say 87mm,
there are still a
few guys running
them (and
winning)...<br
class="">
</font></div>
<div class=""><font
class="" size="2">Glen
<br class="">
</font></div>
<br class="">
</div>
<div class=""><br
class="">
</div>
<div class=""><br
class="">
</div>
<div style="font-family:
arial, helvetica;
font-size: 10pt;"
class="">-----Original
Message-----<br
class="">
From: Bob Kramer via
Fot <<a
href="mailto:fot@autox.team.net"
target="_blank"
class=""
moz-do-not-send="true">fot@autox.team.net</a>><br
class="">
To: van.mulders.marcel
<<a
href="mailto:van.mulders.marcel@telenet.be"
target="_blank"
class=""
moz-do-not-send="true">van.mulders.marcel@telenet.be</a>><br
class="">
Cc: fot <<a
href="mailto:fot@autox.team.net"
target="_blank"
class=""
moz-do-not-send="true">fot@autox.team.net</a>><br
class="">
Sent: Fri, Aug 31,
2018 11:26 pm<br
class="">
Subject: Re: [Fot]
89MM piston question<br
class="">
<br class="">
<div
id="m_8321584711312764493m_8355303263618601104AOLMsgPart_1.2_a86129b9-5eb9-4e6e-bc70-68cf0b670447"
class="">
<div
class="m_8321584711312764493m_8355303263618601104aolReplacedBody">
<div dir="ltr"
class="">I've
always used 87
MM due to the
rules but
everybody else
seems to be
using 89. The
procedures are
the same so
It'll be the
same. I blew a
head gasket last
time out,
compression into
the cooling
system and blew
off the bottom
hose. I guess it
wasn't tight
enough, and
scuffed two
pistons
before I could
shut it down. </div>
<div
class="m_8321584711312764493m_8355303263618601104aolmail_gmail_extra"><br
class=""
clear="all">
<div class="">
<div
class="m_8321584711312764493m_8355303263618601104aolmail_gmail_signature">
<div dir="ltr"
class="">Bob
Kramer</div>
</div>
</div>
<br class="">
<div
class="m_8321584711312764493m_8355303263618601104aolmail_gmail_quote">On
Fri, Aug 31,
2018 at 12:43
PM, <span
dir="ltr"
class="">
<<a
rel="noopener
noreferrer"
href="mailto:van.mulders.marcel@telenet.be"
target="_blank" class="" moz-do-not-send="true">van.mulders.marcel@telenet.be</a>></span>
wrote:<br
class="">
<blockquote
class="m_8321584711312764493m_8355303263618601104aolmail_gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="">
<div
style="font-family:
Verdana,
Arial,
Helvetica,
sans-serif;
font-size:
10pt;"
class="">
<div class="">Bob,</div>
<div class="">It
is definitely
necessary to
make that
modification
to the liners.
The relieve
should
correspond to
the shape of
the combustion
chambers :
about 4 mm
wide on a 89mm
engine.</div>
<div class="">Marcel</div>
<div class=""><br
class="">
</div>
<hr
id="m_8321584711312764493m_8355303263618601104aolmail_m_-391070137228553199zwchr"
class="">
<div class=""><b
class="">Van:
</b>"fot" <<a
rel="noopener
noreferrer"
href="mailto:fot@autox.team.net"
target="_blank" class="" moz-do-not-send="true">fot@autox.team.net</a>><br
class="">
<b class="">Cc:
</b>"fot" <<a
rel="noopener
noreferrer"
href="mailto:fot@autox.team.net"
target="_blank" class="" moz-do-not-send="true">fot@autox.team.net</a>><br
class="">
<b class="">Verzonden:
</b>Donderdag
30 augustus
2018 00:05:43<br
class="">
<b class="">Onderwerp:
</b>[Fot] 89MM
piston
question<br
class="">
</div>
<br class="">
<div class="">
<div dir="ltr"
class="">Do
the guys
running the
89MM pistons
and liners
need to
relieve the
liners to
clear the
intake valve,
or does the
extra MM make
the
difference?<br
class="">
<div
class="m_8321584711312764493m_8355303263618601104aolmail_gmail_extra"><br
class=""
clear="all">
<div class="">
<div
class="m_8321584711312764493m_8355303263618601104aolmail_m_-391070137228553199gmail_signature">
<div dir="ltr"
class="">Bob
Kramer</div>
</div>
</div>
<br class="">
<div
class="m_8321584711312764493m_8355303263618601104aolmail_gmail_quote">On
Tue, </div>
</div>
</div>
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_______________________________________________<br class="">
<a href="mailto:fot@autox.team.net" class=""
moz-do-not-send="true">fot@autox.team.net</a><br class="">
<br class="">
<a class="moz-txt-link-freetext" href="http://www.fot-racing.com">http://www.fot-racing.com</a><br class="">
<br class="">
Donate: <a class="moz-txt-link-freetext" href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br class="">
Archive: <a class="moz-txt-link-freetext" href="http://www.team.net/pipermail/fot">http://www.team.net/pipermail/fot</a><br class="">
Unsubscribe/Manage:
<a class="moz-txt-link-freetext" href="http://autox.team.net/mailman/options/fot/bill@ponostyle.com">http://autox.team.net/mailman/options/fot/bill@ponostyle.com</a><br
class="">
<br class="">
<br class="">
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<pre wrap="">_______________________________________________
<a class="moz-txt-link-abbreviated" href="mailto:fot@autox.team.net">fot@autox.team.net</a>
<a class="moz-txt-link-freetext" href="http://www.fot-racing.com">http://www.fot-racing.com</a>
Donate: <a class="moz-txt-link-freetext" href="http://www.team.net/donate.html">http://www.team.net/donate.html</a>
Archive: <a class="moz-txt-link-freetext" href="http://www.team.net/pipermail/fot">http://www.team.net/pipermail/fot</a>
Unsubscribe/Manage: <a class="moz-txt-link-freetext" href="http://autox.team.net/mailman/options/fot/cartravel@pobox.com">http://autox.team.net/mailman/options/fot/cartravel@pobox.com</a>
</pre>
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