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Exactly. If we learn anything from being lifelong automobile enthusiasts
its that EVERYTHING on a car is a compromise!
On Wed, Apr 24, 2019, 1:46 PM mghirsch@netzero.net <mghirsch@netzero.net>
wrote:
> You also have to realize that factory specs are a compromise. They are
> trying to balance performance, mileage engine life and in modern cars,
> emissions. You can tune it for, let's say mileage, but performance will
> suffer. Conversely, if you tune it for performance mileage will suffer.
> Tune it the way you want it to run.
>
> ---------- Original Message ----------
> From: Richard Lindsay via Mgs <mgs@autox.team.net>
> To: Charley38@twc.com
> Cc: "mgs@autox.team.net List" <mgs@autox.team.net>
> Subject: Re: [Mgs] Timing discussion
> Date: Wed, 24 Apr 2019 10:26:49 -0500
>
> Awesome Charley. No factory manual is going to adequately prescribe the
> right answer for your FrankenMGB. You must love engine building as much as
> do I.
>
> R
>
> On Wed, Apr 24, 2019, 8:41 AM Charley Robinson <Charley38@twc.com> wrote:
>
>> That comment, "Just advance the timing until you notice preignition."
>> has to be taken in the context of how much advance can you dial in
>> before it starts to ping under load. It's a rough attempt to dial in a
>> particular engine/fuel combination. I think most of us know the trial
>> and error method.
>>
>> To answer your question: My B engine is set at ~12* advance @ 850 - 900
>> RPM with the vac disconnected. It pulls well through the midrange set
>> that way. But my engine kind of "parts is parts." It's a 18V block with
>> GH innards (flat -top pistons). All this topped by a pre-smog head and
>> HS-4 carbs. So I had to tweak it to get it to run the way I like it on
>> mid-grade gas.
>>
>> CR
>
>
>
> ____________________________________________________________
> *Our Hearts Go Out To Denzel Washington*
> go.dedicatedoffers.com
> <http://thirdpartyoffers.netzero.net/TGL3242/5cc0aedbb020e2edb6b73st02duc>
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>
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Content-Transfer-Encoding: quoted-printable
<div dir=3D"auto">Exactly. If we learn anything from being lifelong automob=
ile enthusiasts its that EVERYTHING on a car is a compromise!</div><br><div=
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Apr 24=
, 2019, 1:46 PM <a href=3D"mailto:mghirsch@netzero.net";>mghirsch@netzero.ne=
t</a> <<a href=3D"mailto:mghirsch@netzero.net";>mghirsch@netzero.net</a>&=
gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0=
.8ex;border-left:1px #ccc solid;padding-left:1ex"><div>You also have to re=
alize that factory specs are a compromise.=C2=A0 They are trying to balance=
performance, mileage engine life and in modern cars, emissions.=C2=A0 You =
can tune it for, let's say=C2=A0 mileage, but performance will suffer.=
=C2=A0 Conversely, if you tune it for performance mileage will suffer.=C2=
=A0 Tune it the way you want it to run.<br><br>---------- Original Message =
----------<br>From: Richard Lindsay via Mgs <<a href=3D"mailto:mgs@autox=
.team.net" target=3D"_blank" rel=3D"noreferrer">mgs@autox.team.net</a>><=
br>To: <a href=3D"mailto:Charley38@twc.com"; target=3D"_blank" rel=3D"norefe=
rrer">Charley38@twc.com</a><br>Cc: "<a href=3D"mailto:mgs@autox.team.n=
et" target=3D"_blank" rel=3D"noreferrer">mgs@autox.team.net</a> List" =
<<a href=3D"mailto:mgs@autox.team.net"; target=3D"_blank" rel=3D"noreferr=
er">mgs@autox.team.net</a>><br>Subject: Re: [Mgs] Timing discussion<br>D=
ate: Wed, 24 Apr 2019 10:26:49 -0500<br><br>
<div dir=3D"auto">
<div>Awesome Charley. No factory manual is going to adequately prescribe th=
e right answer for your FrankenMGB. You must love engine building as much a=
s do I.</div>
<div dir=3D"auto">=C2=A0</div>
<div dir=3D"auto">R<br><br>
<div class=3D"gmail_quote" dir=3D"auto">
<div class=3D"gmail_attr" dir=3D"ltr">On Wed, Apr 24, 2019, 8:41 AM Charley=
Robinson <<a href=3D"mailto:Charley38@twc.com"; target=3D"_blank" rel=3D=
"noreferrer">Charley38@twc.com</a>> wrote:</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">That comment,=C2=A0 "Just advance the t=
iming until you notice preignition."=C2=A0 <br> has to be taken in the=
context of how much advance can you dial in <br> before it starts to ping =
under load.=C2=A0=C2=A0 It's a rough attempt to dial in a <br> particul=
ar engine/fuel combination.=C2=A0 I think most of us know the trial <br> an=
d error method.<br> <br> To answer your question: My B engine is set at ~12=
* advance @ 850 - 900 <br> RPM with the vac disconnected.=C2=A0 It pulls we=
ll through the midrange=C2=A0 set <br> that way.=C2=A0 But my engine kind o=
f "parts is parts." It's a 18V block with <br> GH innards (fl=
at -top pistons).=C2=A0 All this topped by a pre-smog head and <br> HS-4 ca=
rbs.=C2=A0 So I had to tweak it to get it to run the way I like it on <br> =
mid-grade gas.<br> <br> CR</blockquote>
</div>
</div>
</div>
<br><br><font size=3D"2" color=3D"#000000">________________________________=
____________________________</font><br><a style=3D"TEXT-DECORATION:none" hr=
ef=3D"http://thirdpartyoffers.netzero.net/TGL3242/5cc0aedbb020e2edb6b73st02=
duc" target=3D"_blank" rel=3D"noreferrer"><font face=3D"Arial"><font color=
=3D"#004080" size=3D"3"><b>Our Hearts Go Out To Denzel Washington</b></font=
><br><font color=3D"#000000" size=3D"2">go.dedicatedoffers.com<br></font></=
font></a><a style=3D"COLOR:#000000" href=3D"http://thirdpartyoffers.netzero=
.net/TGL3242/5cc0aedbb020e2edb6b73st02duc" target=3D"_blank" rel=3D"norefer=
rer">http://thirdpartyoffers.netzero.net/TGL3242/5cc0aedbb020e2edb6b73st02d=
uc</a><br><img src=3D"https://d32oduq093hvot.cloudfront.net/icons/sponsored=
linksby.png" alt=3D"SponsoredBy Content.Ad"></div></blockquote></div>
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