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P.S. With a Stromberg carb, there's no accelerator pump. So giving the
pedal a couple of pumps really doesn't do anything. But it is a ritual as
old as time, and it doesn't hurt either.
On Fri, Aug 27, 2021, 18:27 Jeff Scarbrough <fishplate@gmail.com> wrote:
> Carb diaphragms?
>
> 90% of carb problems are electric, and 90% of ignition problems are fuel
> related.
>
> Step back, take a breather, and check the basics. Got compression? Got
> sufficient fuel delivery? Got spark at the right time?
>
> On Fri, Aug 27, 2021, 15:10 Joel Justin <j_bar_j@hotmail.com> wrote:
>
>> Hi everyone. This is my first time posting a question. I've got a 1965
>> Triumph 2000 Mk1 Saloon. The engine is basically a GT6 2 liter with dual
>> Stromberg CD150 carbs. I have a starting issue and I'd like to tap into =
the
>> wisdom of this group. When I first go to start the car, I give it a litt=
le
>> choke, pump the accelerator once or twice and leave it at about half
>> throttle, and turn the key. The car always starts right up, even if it's
>> been sitting for a month. But if I pull it out into the driveway, and tu=
rn
>> it off (or stall it =F0=9F=98=89), then try to restart it, it struggles.=
It cranks
>> and cranks with the RPMs increasing like it's thinking about starting, a=
nd
>> sometimes it does, but others, it takes several cycles of that before it
>> starts. The warmer the engine, the harder it is to restart. If I let it
>> cool for say a half hour, it starts right up again. The carbs were rebui=
lt
>> about a year ago (this happened before and after the rebuild). I've
>> replaced the mechanical fuel pump with an electric one thinking it might=
be
>> a weak fuel pump, but that didn't solve it. I improved my grounding to
>> ensure I wasn't stealing coil voltage for the starter, and I even replac=
ed
>> the starter with a high-torque version to get a higher spin rate. None o=
f
>> this helped. I thought vapor lock might be the issue (I also installed a
>> head shield for the carbs), but it happens when it's cold too. The only
>> thing left I can think of is that the carbs are flooding. But when I
>> rebuilt them, I was careful to set the float height. Before I pull the
>> carbs to check/adjust, does anyone have any suggestions on what might be
>> causing this?
>>
>> Thanks, Joel Justin...
>> 1954 TR2
>> 1958 10 Estate
>> 1960 TR3A
>> 1961 TR4
>> 1965 2000
>> 1971 GT6
>>
>> ** triumphs@autox.team.net **
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/triumphs
>> http://www.team.net/archive
>>
>> Unsubscribe/Manage:
>> http://autox.team.net/mailman/options/triumphs/fishplate@gmail.com
>>
>
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<div dir=3D"auto">P.S.=C2=A0 With a Stromberg carb, there's no accelera=
tor pump.=C2=A0 So giving the pedal a couple of pumps really doesn't do=
anything.=C2=A0 =C2=A0But it is a ritual as old as time, and it doesn'=
t hurt either.</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Fri, Aug 27, 2021, 18:27 Jeff Scarbrough <<a href=3D"=
mailto:fishplate@gmail.com";>fishplate@gmail.com</a>> wrote:<br></div><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex"><div dir=3D"auto">Carb diaphragms?=C2=A0=C2=A0<=
div dir=3D"auto"><br></div><div dir=3D"auto">90% of carb problems are elect=
ric, and 90% of ignition problems are fuel related.</div><div dir=3D"auto">=
<br></div><div dir=3D"auto">Step back, take a breather, and check the basic=
s.=C2=A0 Got compression?=C2=A0 Got sufficient fuel delivery?=C2=A0 Got spa=
rk at the right time?</div></div><br><div class=3D"gmail_quote"><div dir=3D=
"ltr" class=3D"gmail_attr">On Fri, Aug 27, 2021, 15:10 Joel Justin <<a h=
ref=3D"mailto:j_bar_j@hotmail.com"; target=3D"_blank" rel=3D"noreferrer">j_b=
ar_j@hotmail.com</a>> wrote:<br></div><blockquote class=3D"gmail_quote" =
style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir=3D"ltr">
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
Hi everyone. This is my first time posting a question. I've got a 1965 =
Triumph 2000 Mk1 Saloon. The engine is basically a GT6 2 liter with dual St=
romberg CD150 carbs. I have a starting issue and I'd like to tap into t=
he wisdom of this group. When I first go
to start the car, I give it a little choke, pump the accelerator once or t=
wice and leave it at about half throttle, and turn the key. The car always =
starts right up, even if it's been sitting for a month. But if I pull i=
t out into the driveway, and turn it
off (or stall it =F0=9F=98=89), then try to restart it, it struggles. It c=
ranks and cranks with the RPMs increasing like it's thinking about star=
ting, and sometimes it does, but others, it takes several cycles of that be=
fore it starts. The warmer the engine, the harder
it is to restart. If I let it cool for say a half hour, it starts right up=
again. The carbs were rebuilt about a year ago (this happened before and a=
fter the rebuild). I've replaced the mechanical fuel pump with an elect=
ric one thinking it might be a weak
fuel pump, but that didn't solve it. I improved my grounding to ensure=
I wasn't stealing coil voltage for the starter, and I even replaced th=
e starter with a high-torque version to get a higher spin rate. None of thi=
s helped. I thought vapor lock might be
the issue (I also installed a head shield for the carbs), but it happens w=
hen it's cold too. The only thing left I can think of is that the carbs=
are flooding. But when I rebuilt them, I was careful to set the float heig=
ht. Before I pull the carbs to check/adjust,
does anyone have any suggestions on what might be causing this?</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
<br>
</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
Thanks, Joel Justin...</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
1954 TR2</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
1958 10 Estate</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
1960 TR3A</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
1961 TR4</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
1965 2000</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
1971 GT6</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:14pt;color=
:rgb(0,0,0)">
<br>
</div>
</div>
** <a href=3D"mailto:triumphs@autox.team.net"; rel=3D"noreferrer noreferrer"=
target=3D"_blank">triumphs@autox.team.net</a> **<br>
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errer noreferrer" target=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"noreferr=
er noreferrer noreferrer" target=3D"_blank">http://www.team.net/pipermail/t=
riumphs</a>=C2=A0 <a href=3D"http://www.team.net/archive"; rel=3D"noreferrer=
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/a><br>
</blockquote></div>
</blockquote></div>
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