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Are you certain the choke is fully released. That of course will cause a ri=
ch condition.
I'd be looking there for an issue.
JVV
________________________________
From: Wpta <wpta-bounces@autox.team.net> on behalf of candkkuhn--- via Wpta=
<wpta@autox.team.net>
Sent: Sunday, May 18, 2025 4:18 PM
To: wpta@autox.team.net <wpta@autox.team.net>
Subject: [WPTA] 1979 Spitfire Carb Adjustment
Hello All,
My 1979 Spitfire is running very rich (to the point of black smoke coming o=
ut of exhaust). I attempted to adjust the carburetor needle valve by start=
ing with the needle valve all the way out and turning using the Allen key a=
djustment tool to turn 1/4 turn at a time. This had no effect. Using a sc=
rewdriver to lift the carb piston still resulted in the engine rpm increasi=
ng. I started over in the full rich position and turned the Allen key 3 tu=
rns to the lean position. This had no effect. Any suggestions?
Much appreciated,
Chuck Kuhn
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<div class=3D"elementToProof" style=3D"font-family: Aptos, Aptos_EmbeddedFo=
nt, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; c=
olor: rgb(0, 0, 0);">
Are you certain the choke is fully released. That of course will cause a ri=
ch condition.</div>
<div class=3D"elementToProof" style=3D"font-family: Aptos, Aptos_EmbeddedFo=
nt, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; c=
olor: rgb(0, 0, 0);">
I'd be looking there for an issue.</div>
<div class=3D"elementToProof" style=3D"font-family: Aptos, Aptos_EmbeddedFo=
nt, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; c=
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<br>
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nt, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; c=
olor: rgb(0, 0, 0);">
JVV</div>
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<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" st=
yle=3D"font-size:11pt" color=3D"#000000"><b>From:</b> Wpta <wpta-bounces=
@autox.team.net> on behalf of candkkuhn--- via Wpta <wpta@autox.team.=
net><br>
<b>Sent:</b> Sunday, May 18, 2025 4:18 PM<br>
<b>To:</b> wpta@autox.team.net <wpta@autox.team.net><br>
<b>Subject:</b> [WPTA] 1979 Spitfire Carb Adjustment</font>
<div> </div>
</div>
<div>
<div class=3D"x_ydp722f8889yahoo-style-wrap" style=3D"font-family:Arial,Hel=
vetica,sans-serif; font-size:16px">
<div id=3D"x_ydp722f8889yiv1120773566">
<div>
<div class=3D"x_ydp722f8889yiv1120773566yahoo-style-wrap" style=3D"font-fam=
ily:Arial,Helvetica,sans-serif; font-size:16px">
<div dir=3D"ltr">Hello All,</div>
<div dir=3D"ltr"><br>
</div>
<div dir=3D"ltr">My 1979 Spitfire is running very rich (to the point of bla=
ck smoke coming out of exhaust). I attempted to adjust the carburetor=
needle valve by starting with the needle valve all the way out and turning=
using the Allen key adjustment tool to
turn 1/4 turn at a time. This had no effect. Using a screwdriv=
er to lift the carb piston still resulted in the engine rpm increasing.&nbs=
p; I started over in the full rich position and turned the Allen key 3 turn=
s to the lean position. This had no effect. Any
suggestions?</div>
<div dir=3D"ltr"><br>
</div>
<div dir=3D"ltr" data-setdir=3D"false">Much appreciated,</div>
<div dir=3D"ltr" data-setdir=3D"false"> Chuck Kuhn</div>
</div>
</div>
</div>
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