Subject: Re: [Fot] Tr6 Race CAr Cam

From: "Jim Gray" <[email-masked]>
Date: Tue, 12 Apr 2016 06:07:56 -0600

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Chuck,

The duration on that cam seems really long but I=E2=80=99m not a TR6 =
builder/driver either. 320 degrees seems really long for decent low/mid =
range. I wonder too if a little more lobe separation wouldn=E2=80=99t do =
some good too.

Jim g

=20

=20

From: Fot [mailto:[email-masked]] On Behalf Of Chuck Arnold =
and/or Kathleen Kelley
Sent: Monday, April 11, 2016 9:30 PM
To: Friends <[email-masked]>; Schumacher <[email-masked]>; Sam =
Halkias <[email-masked]>
Subject: [Fot] Tr6 Race CAr Cam

=20

Having now had several successful track outings, I have come to an =
observation about my car's performance.  It is a petrol injected TR6.  =
Flowed head, Goodparts header, and cam whose maker I now cannot =
remember.  320 degrees, .5 lift at valve, and pretty early and long =
symmetrical input/exhaust valve timing. 104 degrees lobe separation.

=20

Car reves past 7000 rpm easily in 4th [4:11 rear end].  The problem is =
low/midrange torque..  I was slightly out dragged by good Spitfires =
coming out of turn 10 onto the straight at Laguna.  By turn 1 I was =
faster than them.  Power comes on too late and torque needs to improve =
at low end.  Looking for recommendations on a more appropriate duration =
and input/exhaust open/close timing.

=20

More importantly, I need a recommendation for cam vendor/recommended =
grind.  Had a Kastner S9 in my last [now stolen] car -- but the =
gentleman who did the grinding  has pasted on and Moon Eyes no longer =
does them.

=20

I know I have not said enough about the current cam -- just I am away =
from home and do not have the cam grind card with me.

=20

=20

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link=3D"#0563C1" vlink=3D"#954F72"><div class=3DWordSection1><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>Chuck,<o:p></=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>The duration =
on that cam seems really long but I=E2=80=99m not a TR6 builder/driver =
either. 320 degrees seems really long for decent low/mid range. I wonder =
too if a little more lobe separation wouldn=E2=80=99t do some good =
too.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>Jim =
g<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Fot [mailto:[email-masked]] <b>On Behalf Of </b>Chuck Arnold =
and/or Kathleen Kelley<br><b>Sent:</b> Monday, April 11, 2016 9:30 =
PM<br><b>To:</b> Friends &lt;[email-masked]&gt;; Schumacher =
&lt;[email-masked]&gt;; Sam Halkias =
&lt;[email-masked]&gt;<br><b>Subject:</b> [Fot] Tr6 Race CAr =
Cam<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p =
class=3DMsoNormal><span style=3D'font-family:"Georgia",serif'>Having now =
had several successful track outings, I have come to an observation =
about my car's performance.&nbsp; It is a petrol injected TR6.&nbsp; =
Flowed head, Goodparts header, and cam whose maker I now cannot =
remember. &nbsp;320 degrees, .5 lift at valve, and pretty early and long =
symmetrical input/exhaust valve timing. 104 degrees lobe =
separation.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Georgia",serif'><o:p>&nbsp;</o:p></span></p></div><=
div><p class=3DMsoNormal><span style=3D'font-family:"Georgia",serif'>Car =
reves past 7000 rpm easily in 4th [4:11 rear end].&nbsp; The problem is =
low/midrange torque..&nbsp; I was slightly out dragged by good Spitfires =
coming out of turn 10 onto the straight at Laguna.&nbsp; By turn 1 I was =
faster than them.&nbsp; Power comes on too late and torque needs to =
improve at low end.&nbsp; Looking for recommendations on a more =
appropriate duration and input/exhaust open/close =
timing.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Georgia",serif'><o:p>&nbsp;</o:p></span></p></div><=
div><p class=3DMsoNormal><span =
style=3D'font-family:"Georgia",serif'>More importantly, I need a =
recommendation for cam vendor/recommended grind.&nbsp; Had a Kastner S9 =
in my last [now stolen] car -- but the gentleman who did the grinding =
&nbsp;has pasted on and Moon Eyes no longer does =
them.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Georgia",serif'><o:p>&nbsp;</o:p></span></p></div><=
div><p class=3DMsoNormal><span style=3D'font-family:"Georgia",serif'>I =
know I have not said enough about the current cam -- just I am away from =
home and do not have the cam grind card with =
me.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Georgia",serif'><o:p>&nbsp;</o:p></span></p></div><=
div><p class=3DMsoNormal><span =
style=3D'font-family:"Georgia",serif'><o:p>&nbsp;</o:p></span></p></div><=
/div></div></body></html>
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_______________________________________________
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---

From: "Charly Mitchel" <[email-masked]>
Date: Tue, 12 Apr 2016 12:22:06 -0700 reip=0.000, cl=1, cld=1, fgs=0

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And what is your cam timing?
  (Your cam centerline of the intake lobe ATDC)
Charly Mitchel

----- Original Message -----=20
  From: Chuck Arnold and/or Kathleen Kelley=20
  To: Friends ; Schumacher ; Sam Halkias=20
  Sent: Monday, April 11, 2016 8:30 PM
  Subject: [Fot] Tr6 Race CAr Cam

-------------------------------------------------------------------------=
-----

  Donate: http://www.team.net/donate.html
  Archive: http://www.team.net/archive
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  Unsubscribe/Manage: =
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<BODY bgColor=3D#ffffff>
<DIV><FONT size=3D2 face=3DArial>And what is your cam =
timing?</FONT></DIV>
<DIV><FONT size=3D2 face=3DArial>&nbsp; (Your cam centerline of the =
intake lobe=20
ATDC)</FONT></DIV>
<DIV>Charly Mitchel<BR></DIV>
<DIV>----- Original Message ----- </DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; =
PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
  <DIV=20
  style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: =
black"><B>From:</B>=20
  <A title=[email-masked] href=3D"mailto:[email-masked]">Chuck =
Arnold and/or=20
  Kathleen Kelley</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=[email-masked]=20
  href=3D"mailto:[email-masked]">Friends</A> ; <A =
title=[email-masked]=20
  href=3D"mailto:[email-masked]">Schumacher</A> ; <A=20
  title=[email-masked] =
href=3D"mailto:[email-masked]">Sam=20
  Halkias</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, April 11, 2016 =
8:30=20
PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [Fot] Tr6 Race CAr =
Cam</DIV>
  <DIV><BR></DIV>
  <DIV dir=3Dltr>
  <DIV style=3D"FONT-FAMILY: georgia,serif; FONT-SIZE: small"=20
  class=3Dgmail_default>Having now had several successful track outings, =
I have=20
  come to an observation about my car's performance.&nbsp; It is a =
petrol=20
  injected TR6.&nbsp; Flowed head, Goodparts header, and cam whose maker =
I now=20
  cannot remember. &nbsp;320 degrees, .5 lift at valve, and pretty early =
and=20
  long symmetrical input/exhaust valve timing. 104 degrees lobe=20
separation.</DIV>
  <DIV style=3D"FONT-FAMILY: georgia,serif; FONT-SIZE: small"=20
  class=3Dgmail_default><BR></DIV>
  <DIV style=3D"FONT-FAMILY: georgia,serif; FONT-SIZE: small"=20
  class=3Dgmail_default>Car reves past 7000 rpm easily in 4th [4:11 rear =

  end].&nbsp; The problem is low/midrange torque..&nbsp; I was slightly =
out=20
  dragged by good Spitfires coming out of turn 10 onto the straight at=20
  Laguna.&nbsp; By turn 1 I was faster than them.&nbsp; Power comes on =
too late=20
  and torque needs to improve at low end.&nbsp; Looking for =
recommendations on a=20
  more appropriate duration and input/exhaust open/close timing.</DIV>
  <DIV style=3D"FONT-FAMILY: georgia,serif; FONT-SIZE: small"=20
  class=3Dgmail_default><BR></DIV>
  <DIV style=3D"FONT-FAMILY: georgia,serif; FONT-SIZE: small"=20
  class=3Dgmail_default>More importantly, I need a recommendation for =
cam=20
  vendor/recommended grind.&nbsp; Had a Kastner S9 in my last [now =
stolen] car=20
  -- but the gentleman who did the grinding &nbsp;has pasted on and Moon =
Eyes no=20
  longer does them.</DIV>
  <DIV style=3D"FONT-FAMILY: georgia,serif; FONT-SIZE: small"=20
  class=3Dgmail_default><BR></DIV>
  <DIV style=3D"FONT-FAMILY: georgia,serif; FONT-SIZE: small"=20
  class=3Dgmail_default>I know I have not said enough about the current =
cam --=20
  just I am away from home and do not have the cam grind card with =
me.</DIV>
  <DIV style=3D"FONT-FAMILY: georgia,serif; FONT-SIZE: small"=20
  class=3Dgmail_default><BR></DIV>
  <DIV style=3D"FONT-FAMILY: georgia,serif; FONT-SIZE: small"=20
  class=3Dgmail_default><BR></DIV></DIV>
  <P>
  <HR>

  =
<P></P>_______________________________________________<BR>[email-masked].=
net<BR><BR>http://www.fot-racing.com<BR><BR>Donate:=20
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  =
http://autox.team.net/mailman/options/fot/[email-masked]<BR><=
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