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Hello friends,
We're house-bound here in Houston with a stay-at-home order in place. My
chores are done and Nancy's SUV is 'clayed' and waxed. It looks as-new,
which is pretty good for any SUV.
This morning, after finishing the Toyota, I went back to work on my '53
MG TD. It started right up and ran up to a smooth 3000rpm. After that, the
choke control immediately went in a bit leaving the engine to idle at
2000rpm, with the choke lightly applied. After warm, and with the choke
pushed full in, the idle dropped to about 900rpm, with a few misses
preventing a totally smooth idle. And those words begin my question.
The engine stumbles when given a little 'wellie' and after gaining engine
speed, it runs quite unevenly. No amount of coaxing will get it over
3000rpm. So, what's wrong?! Timing is set properly.
The stumble is characteristic of leaning out, as when the carb dampers
are empty. And overly lean charge is indicated by the fact that when cold,
with enrichment, to engine will rev to 3000rpm easily.
I'm going to lower the jets another couple of 'flats' to see if that
helps. In the mean time I ask: What else might I have missed?
Rick
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<div dir=3D"auto">Hello friends,<div dir=3D"auto">=C2=A0 =C2=A0We're ho=
use-bound here in Houston with a stay-at-home order in place. My chores are=
done and Nancy's SUV is 'clayed' and waxed. It looks as-new, w=
hich is pretty good for any SUV.</div><div dir=3D"auto"><span style=3D"font=
-family:sans-serif">=C2=A0 =C2=A0This morning, after finishing the Toyota, =
I went back to work on my '53 MG TD. It started right up and ran up to =
a smooth 3000rpm. After that, the choke control immediately went in a bit l=
eaving the engine to idle at 2000rpm, with the choke lightly applied. After=
warm, and with the choke pushed full in, the idle dropped to about 900rpm,=
with a few misses preventing a totally smooth idle. And those words begin =
my question.</span><br></div><div dir=3D"auto"><span style=3D"font-family:s=
ans-serif">=C2=A0 The engine stumbles when given a little 'wellie' =
and after gaining engine speed, it runs quite unevenly. No amount of coaxin=
g will get it over 3000rpm. So, what's wrong?! Timing is set properly.<=
/span></div><div dir=3D"auto"><span style=3D"font-family:sans-serif">=C2=A0=
=C2=A0The stumble is characteristic of leaning out, as when the carb dampe=
rs are empty. And overly lean charge is indicated by the fact that when col=
d, with enrichment, to engine will rev to 3000rpm easily.=C2=A0</span></div=
><div dir=3D"auto"><span style=3D"font-family:sans-serif">=C2=A0 =C2=A0I=
9;m going to lower the jets another couple of 'flats' to see if tha=
t helps. In the mean time I ask: What else might I have missed?</span></div=
><div dir=3D"auto"><span style=3D"font-family:sans-serif"><br></span></div>=
<div dir=3D"auto"><span style=3D"font-family:sans-serif">Rick</span></div><=
/div>
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