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Dashpot oil leak: hole above needle - jb weld?

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Dashpot oil leak: hole above needle - jb weld? #1
kurtk Kurt K (New Member) Flanders, NJ, USA Sign in to contact 1973 MG Midget MkIII	Topic Creator (OP) Apr 16, 2024 06:26 PM Joined 17 days ago 8 Posts

73 midget. One carb has good resistance, oil in dash pot. Other carb had no resistance, no oil. I added oil. It all leaked out. Some residue left, but no squishy suction pop noise when I remove the cap.

I took them apart, noticed the bad one had a HOLE right down the center of the shaft. The good one doesn’t. Photos added.

How can I fix this? (Without buying new carbs) any luck with jb weld? Just a little bit would do the trick. I have the fuel / gas resistant version. What about just a tiny circular piece of metal with some silicone grease pressed over the hole?

IMG_9171.jpeg 25.5 KB

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Re: Dashpot oil leak: hole above needle - jb weld? #2
gg71 Greg Grohoski Austin, TX, USA Sign in to contact 1973 MG Midget	Apr 18, 2024 09:39 AM Joined 11 months ago 131 Posts

So someone drilled a hole there?

As a temporary fix, JB might do. You may be able to find a used but serviceable set of carbs or
minimally a used HS2 piston that has acceptable performance (piston drop time in your carb).

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Re: Dashpot oil leak: hole above needle - jb weld? #3
mgsprite George Redman Baltimore, USA Sign in to contact	Apr 18, 2024 04:43 PM Top Contributor Joined 5 years ago 382 Posts

How close is the needle to the hole?

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