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Les Rose 17 July 2026 Another question. AC said that this hole should not be blocked. But all the HIF44 filters I can find do block this hole, as per the gasket shown. I am puzzled.
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David Billington 17 July 2026 Have a look on this page https://240260280.com/Tech/Carbs/Weber/DCOE%20Theory%20Operation%20and%20Tuning.html (that'll need copying and pasting due to the embedded spaces) as it has various videos and covers many parts of the Weber operation including the accelerator pump.
I not used a Weber but I have used a Dellorto and they have an external accelerator pump IIRC underneath and you can ... -
Dave O'Neill 2 17 July 2026 I never had a problem when using a properly rebuilt standard M35 starter on race engines. I favoured the M35G version with a 9-tooth pinion.
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Dave O'Neill 2 17 July 2026 It’s a long time since I’ve played with a Weber, but IIRC you should be able to see the pump jets squirting.
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Len Fanelli 17 July 2026 Oops! I forgot to include the .160" in the calculation in the threads per inch! This means the threads per inch = .0063" more than likely.
(Brain fade!)
Len -
Les Robinson 17 July 2026 Just found an old rotor arm, fitted it and the car started but misfiring like mad.
Put the other one back in and car started fine but only ran for about 20 seconds.
Anyway that’s it for today, I give up! -
Les Robinson 17 July 2026 Bill
Yes, just tried it again and there is a big spark but nothing at the plugs. Car completely dead now, won’t start.
Earlier I changed the dissy cap, got a new one locally, it’s a County brand, probably not the best long term.
Fitted it and the car started straight away, for about 30 seconds then died. Took cap off, then refitted it and again ran for about 30 seconds.
No spar... -
Mike Fairclough 17 July 2026 I am just trial fitting a second hand Weber 45 on my old engine before fitting a new sprint and hillclimb one. Thankfully doesn’t appear to be leaking from anywhere and the SU fuel pump stopped pumping so assume full of fuel. I tried pushing the throttle lever fully a couple of times and I expected to see some fuel being squirted looking via the trumpet but couldn’t see anything. Is that norm...
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Bill B 17 July 2026 Les, are you absolutely certain there is a spark from main HT lead to earth IMMEDIATELY after the engine dies?
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Les Rose 17 July 2026 Here is the setup that I had before today. I have no ram pipe or filter now.
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Will view/collect anywhere U.K. -
FOR SALE/FORSALE/FOR SALE Large selection of quality MGB, MGB GT & Midgets.
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Viewing also available eves/w'ends.
P/ex welcome
Visit our web site: www.mgsforsale.com -
MG'S FOR SALE Large selection of quality MGB, MGB GT & Midgets.
Most fully restored/excellent originals with
comprehensive history.
Viewing also available eves/w'ends.
P/ex welcome
01707 876089
Visit our web site: www.mgsforsale.com -
MGF MGF MGF URGENTLY WANTED, URGENTLY WANTED
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Low mileage/fine examples please.
WILL VIEW/COLLECT ANYWHERE UK -
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WILL VIEW/COLLECT ANYWHERE UK -
XPAG ENGINE PARTS TO CLEAR I have just cleared out an old boys workshop and have a quantity of XPAG engine parts to sell.
Please bear with me, but XPAG isnt my strong point and the list is not complete!
Cylinder heads 3
Con Rods 20+
Camshafts 10+
Alloy Sump
Alloy rocker cover and side plate
Flywheel 3
Side plates tin
Pistons, some good used maybe a set of...
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