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You also have to realize that factory specs are a compromise. They are =
trying to balance performance, mileage engine life and in modern cars, e=
missions. 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 wit=
h =
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
____________________________________________________________
Drink 1 Cup Before Bed, Watch Your Body Fat Melt Like Crazy
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<html><div>You also have to realize that factory specs are a compromise.=
They are trying to balance performance, mileage engine life and i=
n modern cars, emissions. You can tune it for, let's say mil=
eage, but performance will suffer. Conversely, if you tune it for =
performance mileage will suffer. Tune it the way you want it to ru=
n.<br><br>---------- Original Message ----------<br>From: Richard Lindsa=
y via Mgs <mgs@autox.team.net><br>To: Charley38@twc.com<br>Cc: "mg=
s@autox.team.net List" <mgs@autox.team.net><br>Subject: Re: [Mgs] =
Timing discussion<br>Date: Wed, 24 Apr 2019 10:26:49 -0500<br><br></p>
<div dir=3D"auto">
<div>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.</div>
<div dir=3D"auto"> </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 Char=
ley Robinson <<a href=3D"mailto:Charley38@twc.com";>Charley38@twc.com<=
/a>> wrote:</div>
<blockquote class=3D"gmail_quote" style=3D"margin: 0 0 0 .8ex; border-le=
ft: 1px #ccc solid; padding-left: 1ex;">That comment, "Just advanc=
e the timing until you notice preignition." <br> has to be taken i=
n the context of how much advance can you dial in <br> before it starts =
to ping under load. It's a rough attempt to dial in a <br> p=
articular engine/fuel combination. I think most of us know the tri=
al <br> and error method.<br> <br> To answer your question: My B engine =
is set at ~12* advance @ 850 - 900 <br> RPM with the vac disconnected.&n=
bsp; It pulls well through the midrange set <br> that way. B=
ut my engine kind of "parts is parts." It's a 18V block with <br> GH inn=
ards (flat -top pistons). All this topped by a pre-smog head and <=
br> HS-4 carbs. So I had to tweak it to get it to run the way I li=
ke it on <br> mid-grade gas.<br> <br> CR</blockquote>
</div>
</div>
</div></html>
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