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Aug 24th, 2023
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Joined: Jul 2007
Posts: 28,414 Likes: 177
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,414 Likes: 177 |
You aren't switching it off while the engine is revving??
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'09 Gen2 MINI Cooper ragtop
'90 LR 90 SW
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Joined: Jan 2011
Posts: 297
Learner Plates Off!
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OP
Learner Plates Off!
Joined: Jan 2011
Posts: 297 |
Oh no. I wait until it slows to idle. I just don't wait long enough for it to idle out all the excess from revving.
'67 +4 tourer - broken white - RHD
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Joined: Jul 2007
Posts: 28,414 Likes: 177
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,414 Likes: 177 |
Ah. My neighbour insists on switching off when it's at the peak of revs. Guess it doesn't matter overmuch with fuel injection, but not good with carbs.
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'09 Gen2 MINI Cooper ragtop
'90 LR 90 SW
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Joined: Dec 2008
Posts: 21,865 Likes: 167
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 21,865 Likes: 167 |
The slightest amount of fast idle can cause dieseling with carbs and modern fuel.
MGB's are very sensitive to this. Below 800rpm is better, but idle may be lumpy.
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Nov 2010
Posts: 167
L - Learner Plates On
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L - Learner Plates On
Joined: Nov 2010
Posts: 167 |
Check the timing and make sure idle speed is low enough.
'65 +4 four seater
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