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Wales
by Joske Vermeule, September 1
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Forums39
Topics49,880
Posts837,777
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Most Online1,063
Jun 14th, 2026
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Joined: Mar 2011
Posts: 831 Likes: 23
Talk Morgan Regular
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OP
Talk Morgan Regular
Joined: Mar 2011
Posts: 831 Likes: 23 |
My 1980 +8 with a John Eales 4L HS6 SU Carbs with uprated kenlowe fan, oil cooler, ali rad, big bore manifolds (unwrapped) is struggling to restart in warm/hot weather. Replaced fuel pump with a new facet pump, no improvement. Have covered 250k miles all over Europe, always use E5 and have never had this problem until this year. On restart you can hear the pump repriming/building up pressure and the car will restart in around a minute.
Anyone having a similar problem? Any thoughts?
1980 +8 Blue
And a few others
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Stephen
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Joined: Dec 2008
Posts: 145 Likes: 1
L - Learner Plates On
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L - Learner Plates On
Joined: Dec 2008
Posts: 145 Likes: 1 |
Can it be the ballast resistor?
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Joined: Feb 2016
Posts: 8,684 Likes: 414
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,684 Likes: 414 |
Are the fuel lines to carbs at all warm immediately before starting issues Stephen? If so then use of silvered foam wrap may help. Fuel feed to distribution rail on my Roadster is treated with this.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Feb 2013
Posts: 516 Likes: 58
Talk Morgan Regular
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Talk Morgan Regular
Joined: Feb 2013
Posts: 516 Likes: 58 |
...... coil/capacitor?
David Byrne
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Joined: Nov 2015
Posts: 8,688 Likes: 495
Just barreling along Needs to Get Out More!
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Just barreling along Needs to Get Out More!
Joined: Nov 2015
Posts: 8,688 Likes: 495 |
Pull off the air cleaner whilst you have the same hot conditions and squirt a bit of petrol directly into the carbs, if it fires easily then yes vaporisation is highly likely
Although no comparison on BHP my tiny F Super was a pita when hot restart because the pipes (solid copper) and pump are close to the manifolds - I bought some glass fibre pipe sleeve coated with silver wrap from Demon Tweeks
Jon M
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