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Re: [Fot] Spark Plugs

To: Kas Kastner <kaskastner@gmail.com>
Subject: Re: [Fot] Spark Plugs
From: Bill Babcock via Fot <fot@autox.team.net>
Date: Thu, 23 Apr 2015 19:21:57 -1000
Cc: fot <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <Pine.LNX.4.62L.1504231426360.453@isis.mit.edu> <8D2C23C2-22EE-473C-A048-1C7CE5A4E4B3@ponostyle.com> <CAGiQU1DroROPzC_mykAQB-H=F3Cq6OyNDgxqixNBCQY5WqWVZQ@mail.gmail.com>
--===============8559284845513556793==


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You also can=E2=80=99t read a plug without a clean chop, which few =
people ever bother with or have any idea how to do. It=E2=80=99s a lot =
more important than starting with a clean plug. I don=E2=80=99t doubt =
that there=E2=80=99s a difference in horsepower in having a plug so hot =
that its blistering or pre-igniting, or so cold that it=E2=80=99s =
fouling. But there=E2=80=99s nothing you can learn on a dyno about what =
plug to use. If you=E2=80=99re smart about it, you run a very cold plug =
on a dyno.  And you mostly read plugs to get jetting right, not to =
choose the heat range.  I consider myself to be pretty good at reading =
plugs, I pestered Bobby Strahlman long enough and hard enough to learn =
most of what he was willing to tell me. It=E2=80=99s a bigger deal for =
motorcycles, in the same way that jetting carbs is a bigger deal. If =
you=E2=80=99ve only got one or two cylinders, and you=E2=80=99ve only =
got 30 horsepower, you better get them all.=20


On Apr 23, 2015, at 5:39 PM, Kas Kastner <kaskastner@gmail.com> wrote:
>=20
> The manner of having the right heat range can mean more than a little =
bit of power. It does mater.  Most plugs I look at for the guys are =
generally to hot for the circumstances. Learn about this stuff.  Clean =
the plugs, keep a little sand blast cleaner handy and never run a =
session without a few ( one or two CLEAN) plugs in the engine. You =
cannot read a dirty plug from running a session before. Don't be LAZY.
>=20
> Never be beaten by equipment.
>=20
>=20
> On Thu, Apr 23, 2015 at 5:11 PM, Bill Babcock via Fot =
> Why would you want to play with heat range on a dyno? There=E2=80=99s =
no horsepower difference. The only function of heat range is to have the =
porcelain at the right temperature to burn off deposits and not overheat =
to the point that the plug electrode melts or the porcelain blisters. Or =
at an extreme that the spark plug starts acting like a glow plug. Some =
tracks that are very tight or that have elevation changes might dictate =
a change to a hotter plug, or one with long open straights might warrant =
a colder one, but once you=E2=80=99re in the ballpark you shouldn=E2=80=99=
t have to do much.=20
>=20
>> On Apr 23, 2015, at 8:51 AM, Robert M. Lang via Fot =
>>=20
>> Hi,
>>=20
>> I've been using Accel 114's for the last ten or 15 years, they seem =
to work fine. I have a collection of different temp range plugs from =
Accel all the way from 113 through 117. I've never taken the time to =
play on the dyno to see if there's any difference changing heat range. I =
know =3D "my bad". I've never had a plug fail despite the amount of =
internet detritus regarding the quality of this brand.
>>=20
>> In any case I was thinking about switching to NGK. My TR6 motor is =
12:1, Webers, cam (street duration Isky Z19), header, etc. Ignition is =
Mallory / Pertronix.
>>=20
>> Would the NGK BP6ES or BP7ES be a better choice?
>>=20
>> Regards,
>> rml
>> =
--------------------------------------------------------------------------=
-
>> Bob Lang              Triumph TR6!!            |  This space for rent
>> Former NER Solo Chair                          |
>> Voice:617-253-7438                             |  Cell: 339-927-4489
>> =
--------------------------------------------------------------------------=
-
>> _______________________________________________
>>=20
>> http://www.fot-racing.com <http://www.fot-racing.com/>
>>=20
>> Donate: http://www.team.net/donate.html =
<http://www.team.net/donate.html>
>> Archive: http://www.team.net/archive <http://www.team.net/archive>
>> Forums: http://www.team.net/forums <http://www.team.net/forums>
>> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/bill@ponostyle.com =
<http://autox.team.net/mailman/options/fot/bill@ponostyle.com>
>>=20
>>=20
>=20
> Bill Babcock
> Editor: Ponostyle
> Celebrating Water
>=20
> Editor: Xtreme Geezer
> Fitness and Fun After Forty
> 503.936.7660
> http://www.PonoStyle.com <http://www.ponostyle.com/>
> http://www.Xgeez.com <http://www.xgeez.com/>
>=20
> _______________________________________________
>=20
> http://www.fot-racing.com <http://www.fot-racing.com/>
>=20
> Donate: http://www.team.net/donate.html =
<http://www.team.net/donate.html>
> Archive: http://www.team.net/archive <http://www.team.net/archive>
> Forums: http://www.team.net/forums <http://www.team.net/forums>
> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/kaskastner@gmail.com =
<http://autox.team.net/mailman/options/fot/kaskastner@gmail.com>
>=20
>=20
>=20
>=20

Bill Babcock
Bill@ponostyle.com
Editor: Ponostyle
Celebrating Water

Editor: Xtreme Geezer
Fitness and Fun After Forty
503.936.7660
http://www.PonoStyle.com
http://www.Xgeez.com


--Apple-Mail=_BADEA94C-7863-41F4-A22E-261B0C152822
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D"">You also can=E2=80=99t read a plug without a clean chop, =
which few people ever bother with or have any idea how to do. It=E2=80=99s=
 a lot more important than starting with a clean plug. I don=E2=80=99t =
doubt that there=E2=80=99s a difference in horsepower in having a plug =
so hot that its blistering or pre-igniting, or so cold that it=E2=80=99s =
fouling. But there=E2=80=99s nothing you can learn on a dyno about what =
plug to use. If you=E2=80=99re smart about it, you run a very cold plug =
on a dyno. &nbsp;And you mostly read plugs to get jetting right, not to =
choose the heat range. &nbsp;I consider myself to be pretty good at =
reading plugs, I pestered Bobby Strahlman long enough and hard enough to =
learn most of what he was willing to tell me. It=E2=80=99s a bigger deal =
for motorcycles, in the same way that jetting carbs is a bigger deal. If =
you=E2=80=99ve only got one or two cylinders, and you=E2=80=99ve only =
got 30 horsepower, you better get them all.&nbsp;<div class=3D""><br =
class=3D""></div><div class=3D""><br class=3D""><div class=3D"">On Apr =
23, 2015, at 5:39 PM, Kas Kastner &lt;<a =
href=3D"mailto:kaskastner@gmail.com"; =
class=3D"">kaskastner@gmail.com</a>&gt; wrote:<div><blockquote =
type=3D"cite" class=3D""><br class=3D"Apple-interchange-newline"><div =
class=3D""><div dir=3D"ltr" class=3D"">The manner of having the right =
heat range can mean more than a little bit of power. It does =
mater.&nbsp; Most plugs I look at for the guys are generally to hot for =
the circumstances. Learn about this stuff.&nbsp; Clean the plugs, keep a =
little sand blast cleaner handy and never run a session without a few ( =
one or two CLEAN) plugs in the engine. You cannot read a dirty plug from =
running a session before. Don't be LAZY. </div><div =
class=3D"gmail_extra"><br clear=3D"all" class=3D""><div class=3D""><div =
class=3D"gmail_signature"><p class=3D""><strong class=3D""><font =
color=3D"#000099" class=3D"">Never be beaten by =
equipment.</font></strong></p></div></div>
<br class=3D""><div class=3D"gmail_quote">On Thu, Apr 23, 2015 at 5:11 =
PM, Bill Babcock via Fot <span dir=3D"ltr" class=3D"">&lt;<a =
href=3D"mailto:fot@autox.team.net"; target=3D"_blank" =
class=3D"">fot@autox.team.net</a>&gt;</span> wrote:<br =
class=3D""><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex"><div style=3D"" =
class=3D"">Why would you want to play with heat range on a dyno? =
There=E2=80=99s no horsepower difference. The only function of heat =
range is to have the porcelain at the right temperature to burn off =
deposits and not overheat to the point that the plug electrode melts or =
the porcelain blisters. Or at an extreme that the spark plug starts =
acting like a glow plug. Some tracks that are very tight or that have =
elevation changes might dictate a change to a hotter plug, or one with =
long open straights might warrant a colder one, but once you=E2=80=99re =
in the ballpark you shouldn=E2=80=99t have to do much.&nbsp;<div =
class=3D""><br class=3D""><div class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D"">On Apr 23, 2015, at 8:51 AM, Robert M. Lang =
via Fot &lt;<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank" =
class=3D"">fot@autox.team.net</a>&gt; wrote:</div><br class=3D""><div =
class=3D"">Hi,<br class=3D""><br class=3D"">I've been using Accel 114's =
for the last ten or 15 years, they seem to work fine. I have a =
collection of different temp range plugs from Accel all the way from 113 =
through 117. I've never taken the time to play on the dyno to see if =
there's any difference changing heat range. I know =3D "my bad". I've =
never had a plug fail despite the amount of internet detritus regarding =
the quality of this brand.<br class=3D""><br class=3D"">In any case I =
was thinking about switching to NGK. My TR6 motor is 12:1, Webers, cam =
(street duration Isky Z19), header, etc. Ignition is Mallory / =
Pertronix.<br class=3D""><br class=3D"">Would the NGK BP6ES or BP7ES be =
a better choice?<br class=3D""><br class=3D"">Regards,<br =
class=3D"">rml<br =
class=3D"">---------------------------------------------------------------=
------------<br class=3D"">Bob Lang =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;Triumph TR6!! =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;| =
&nbsp;This space for rent<br class=3D"">Former NER Solo Chair =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;|<br class=3D"">Voice:617-253-7438 =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;| &nbsp;Cell: 339-927-4489<br =
class=3D"">---------------------------------------------------------------=
------------<br =
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