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Ira -
Since you should have H6 carbs on your car, it will be sensitive to having
air leak past the throttle shaft.
When rebuilt, sometimes rebuilders will rebush them, other times no. When
the car gets hot, the aluminum body expands faster than the brass throttle
shaft, allowing air to seep in, causing your mixture to lean out and the
idle to slow down. If it wasn't bushed, this is probably your problem.
Try oiling each side of each carb when it gets hot and see if your idle
recovers a bit. If so, then the carbs need to be bushed.
Best,
Alan
On Tue, Jun 7, 2016 at 10:28 AM, i erbs <eyera3000@gmail.com> wrote:
> Car runs great cold. When up to temp the car idles fine at a red light.
> After a while the toms start to drop. Then it dies.
> Prof. Rebuilt carbs. Cleaned and greased distributor . New points, cond.
> New coil, plugs and wires. I also replaced the fuel pump and filter. Choke
> cables are new and greased.
> Ideas???
>
> Mr. Ira Erbs
> Portland,OR
> 1959 Austin Healey 100-6
> please forgive odd words and auto corrects as my phone cannot understand
> my misspellings
>
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<div dir=3D"ltr">Ira -<div><br></div><div>Since you should have H6 carbs on=
your car, it will be sensitive to having air leak past the throttle shaft.=
=C2=A0</div><div><br></div><div>When rebuilt, sometimes rebuilders will re=
bush them, other times no.=C2=A0 When the car gets hot, the aluminum body e=
xpands faster than the brass throttle shaft, allowing air to seep in, causi=
ng your mixture to lean out and the idle to slow down.=C2=A0 If it wasn'=
;t bushed, this is probably your problem.<div><br></div><div>Try oiling eac=
h side of each carb when it gets hot and see if your idle recovers a bit.=
=C2=A0 If so, then the carbs need to be bushed.</div></div><div><br></div><=
div>Best,</div><div><br></div><div>Alan</div></div><div class=3D"gmail_extr=
a"><br><div class=3D"gmail_quote">On Tue, Jun 7, 2016 at 10:28 AM, i erbs <=
span dir=3D"ltr"><<a href=3D"mailto:eyera3000@gmail.com"; target=3D"_blan=
k">eyera3000@gmail.com</a>></span> wrote:<br><blockquote class=3D"gmail_=
quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1=
ex"><p dir=3D"ltr">Car runs great cold. When up to temp the car idles fine =
at a red light. After a while the toms start to drop. Then it dies.<br>
Prof. Rebuilt carbs. Cleaned and greased distributor . New points, cond. Ne=
w coil, plugs and wires.=C2=A0 I also replaced the fuel pump and filter. Ch=
oke cables are new and greased.<br>
Ideas???</p>
<p dir=3D"ltr">Mr. Ira Erbs<br>
Portland,OR<br>
1959 Austin Healey 100-6<br>
please forgive odd words and auto corrects as=C2=A0=C2=A0 my phone cannot u=
nderstand my misspellings </p>
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