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Bob, Just a reminder that NGK plugs get hotter as the number goes lower (t=
he reverse of Champions). You may already know this, but as an example a BP=
R5ES runs hotter than a BPR6ES.Hoff
On Thursday, June 8, 2023 at 10:51:10 AM EDT, Rochlin Robert <rrochlin@=
comcast.net> wrote: =20
=20
=C2=A0=C2=A0=C2=A0 I appreciate all the great feedback on my question abou=
t spark plug heat range options.=C2=A0 It seems that if I want to increment=
ally go to a cooler (or hotter) plug then NGK seems be the way to go.=C2=A0=
Champions=C2=A0 are unavailable in a number of heat ranges and the informa=
tion on their web site is confusing.
=C2=A0=C2=A0=C2=A0 I=E2=80=99ve spent a lot of time this Spring doing unexp=
ected work on the 6 including suspension work and fuel delivery issues.=C2=
=A0 All that is now sorted and my plan is to spend some quality cruising ti=
me this afternoon.=20
=C2=A0=C2=A0=C2=A0 Happy Motoring.
=C2=A0=C2=A0=C2=A0 Bob
> On Jun 7, 2023, at 10:18 AM, dave northrup <dave@ranteer.com> wrote:
>=20
> I would suggest that first you advance the timing.=C2=A0 You no longer ha=
ve a stock engine and therefore should not rely on the stock timing.=C2=A0=
=20
>=20
> Some of my old time mechanic friends have suggested that with these cars =
you should advance the timing until it pings, then back it off a bit.=C2=A0=
Just a suggestion.
>=20
> Also - do you still have the carbon cannister?=C2=A0 That's actually a so=
urce of air when you turn the engine off and could be part of the problem.=
=C2=A0 our car runs better without it.=C2=A0 just eliminate the branch that=
goes to it.=C2=A0 but be careful about the pipe that goes back to the gas =
tank.=C2=A0 That has to be free and clear or your engine will quit running =
due to fuel starvation because air is not coming in to replace the gasoline=
that is going out.=C2=A0 you can just leave the pipe that comes from the b=
ack; tie it down and leave it open.=C2=A0 And you won't get a gas smell in =
the garage.
>=20
> Failing that, I would recommend talking to Richard Good.=C2=A0 He is very=
knowledgeable and happy to talk to a customer.
>=20
> We did what you did, with the GP mild cam, triple carbs, lightened flywhe=
el, polished, ported, and shaved head, decked block, etc., etc.=C2=A0 we ar=
e running about 11 to 1 compression.=C2=A0 Our timing is pretty advanced; n=
ever use a timing light.=C2=A0 We don't have a problem with dieseling.=C2=
=A0 I'm not sure I'm the one to solve the problem for you=C2=A0 but it just=
seems wrong to me that you are having this problem; I don't think it's the=
plugs.
>=20
> -----Original Message-----
> From: Robert Rochlin <rrochlin@comcast.net>=20
> Sent: Wednesday, June 7, 2023 8:35 AM
> To: dave northrup <dave@ranteer.com>
> Subject: Re: [TR] [6pack] Spark Plug Heat Range
>=20
> Hi Dave
>=C2=A0 Very occasionally my car diesels when I shut down.=C2=A0 I rebuilt =
the engine a few years ago increasing the compression and putting in a Good=
parts cam.=C2=A0 The timing is spot on and the car runs great. My reasoning=
is that a bit colder plug may eliminate the hot spot source of the occasio=
nal dieseling.=C2=A0=20
> Best,
> Bob
> Sent from my iPhone
>=20
>> On Jun 7, 2023, at 9:24 AM, dave northrup <dave@ranteer.com> wrote:
>>=20
>> are
>=20
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Archive: http://www.team.net/archive
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=20
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<html><head></head><body><div class=3D"ydp8cff2b83yahoo-style-wrap" style=
=3D"font-family:Arial, Helvetica, sans-serif;font-size:16px;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">Bob, Just a reminder that NG=
K plugs get hotter as the number goes lower (the reverse of Champions). You=
may already know this, but as an example a BPR5ES runs hotter than a BPR6E=
S.</div><div dir=3D"ltr" data-setdir=3D"false">Hoff</div><div><br></div>
=20
</div><div id=3D"ydp885d8c15yahoo_quoted_6303330852" class=3D"ydp88=
5d8c15yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Thursday, June 8, 2023 at 10:51:10 AM EDT, Rochlin R=
obert <rrochlin@comcast.net> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div dir=3D"ltr"> I appreciate all t=
he great feedback on my question about spark plug heat range options. =
It seems that if I want to incrementally go to a cooler (or hotter) plug t=
hen NGK seems be the way to go. Champions are unavailable in a =
number of heat ranges and the information on their web site is confusing.<b=
r></div><div dir=3D"ltr"> I=E2=80=99ve spent a lot of tim=
e this Spring doing unexpected work on the 6 including suspension work and =
fuel delivery issues. All that is now sorted and my plan is to spend =
some quality cruising time this afternoon. <br></div><div dir=3D"ltr"> =
; Happy Motoring.<br></div><div dir=3D"ltr"> =
Bob<br></div><div dir=3D"ltr"><br></div><div dir=3D"ltr">> On Jun 7, 202=
3, at 10:18 AM, dave northrup <<a href=3D"mailto:dave@ranteer.com"; rel=
=3D"nofollow" target=3D"_blank">dave@ranteer.com</a>> wrote:<br></div><d=
iv dir=3D"ltr">> <br></div><div dir=3D"ltr">> I would suggest that fi=
rst you advance the timing. You no longer have a stock engine and the=
refore should not rely on the stock timing. <br></div><div dir=3D"ltr=
">> <br></div><div dir=3D"ltr">> Some of my old time mechanic friends=
have suggested that with these cars you should advance the timing until it=
pings, then back it off a bit. Just a suggestion.<br></div><div dir=
=3D"ltr">> <br></div><div dir=3D"ltr">> Also - do you still have the =
carbon cannister? That's actually a source of air when you turn the e=
ngine off and could be part of the problem. our car runs better witho=
ut it. just eliminate the branch that goes to it. but be carefu=
l about the pipe that goes back to the gas tank. That has to be free =
and clear or your engine will quit running due to fuel starvation because a=
ir is not coming in to replace the gasoline that is going out. you ca=
n just leave the pipe that comes from the back; tie it down and leave it op=
en. And you won't get a gas smell in the garage.<br></div><div dir=3D=
"ltr">> <br></div><div dir=3D"ltr">> Failing that, I would recommend =
talking to Richard Good. He is very knowledgeable and happy to talk t=
o a customer.<br></div><div dir=3D"ltr">> <br></div><div dir=3D"ltr">>=
; We did what you did, with the GP mild cam, triple carbs, lightened flywhe=
el, polished, ported, and shaved head, decked block, etc., etc. we ar=
e running about 11 to 1 compression. Our timing is pretty advanced; n=
ever use a timing light. We don't have a problem with dieseling. =
; I'm not sure I'm the one to solve the problem for you but it just s=
eems wrong to me that you are having this problem; I don't think it's the p=
lugs.<br></div><div dir=3D"ltr">> <br></div><div dir=3D"ltr">> -----O=
riginal Message-----<br></div><div dir=3D"ltr">> From: Robert Rochlin &l=
t;<a href=3D"mailto:rrochlin@comcast.net"; rel=3D"nofollow" target=3D"_blank=
">rrochlin@comcast.net</a>> <br></div><div dir=3D"ltr">> Sent: Wednes=
day, June 7, 2023 8:35 AM<br></div><div dir=3D"ltr">> To: dave northrup =
<<a href=3D"mailto:dave@ranteer.com"; rel=3D"nofollow" target=3D"_blank">=
dave@ranteer.com</a>><br></div><div dir=3D"ltr">> Subject: Re: [TR] [=
6pack] Spark Plug Heat Range<br></div><div dir=3D"ltr">> <br></div><div =
dir=3D"ltr">> Hi Dave<br></div><div dir=3D"ltr">> Very occasion=
ally my car diesels when I shut down. I rebuilt the engine a few year=
s ago increasing the compression and putting in a Goodparts cam. The =
timing is spot on and the car runs great. My reasoning is that a bit colder=
plug may eliminate the hot spot source of the occasional dieseling. =
<br></div><div dir=3D"ltr">> Best,<br></div><div dir=3D"ltr">> Bob<b=
r></div><div dir=3D"ltr">> Sent from my iPhone<br></div><div dir=3D"ltr"=
>> <br></div><div dir=3D"ltr">>> On Jun 7, 2023, at 9:24 AM, dave =
northrup <<a href=3D"mailto:dave@ranteer.com"; rel=3D"nofollow" target=3D=
"_blank">dave@ranteer.com</a>> wrote:<br></div><div dir=3D"ltr">>>=
<br></div><div dir=3D"ltr">>> are<br></div><div dir=3D"ltr">> <br=
></div><div dir=3D"ltr"><br></div><div dir=3D"ltr">________________________=
_______________________<br></div><div dir=3D"ltr">Support Team.Net <a href=
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