38DGAS carb inlet pinning

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OultonBroader
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38DGAS carb inlet pinning

Post by OultonBroader » Tue Jul 23, 2019 11:56 pm

Hello I have discovered to my horror that the inlet pipe on my carb comes out quite easily if I pull it. My carb was fitted in about 1997 and I understood by then all carbs were being pinned to prevent this. I remember an article in SLICE ages ago on how to do it. Can anyone point me to it? Anyone know if carbs are still being made without the pin?
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scimjim
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38DGAS carb inlet pinning

Post by scimjim » Wed Jul 24, 2019 8:12 am

Welcome to the forum :D

This is the Reliant Service Bulletin
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38DGAS carb inlet pinning

Post by peter freeman » Wed Jul 24, 2019 9:07 am

If you buy a new carb it will not be pinned. when my "new" carb came to bits I contacted Weber and they denied knowing anything about the pipe coming out. So I sent them the mod sheet ( above) and they finally agreed to fit a screw in pipe - I had of course pay for the pipe but they did the work for nothing.



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38DGAS carb inlet pinning

Post by rebel alliance » Wed Jul 24, 2019 9:22 am

Thats probably as most other cars that use it don't have under bonnet temperature the same as the earths core..



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38DGAS carb inlet pinning

Post by peter freeman » Wed Jul 24, 2019 10:04 am

IIRC Capri s and other Fords suffered from the same fire problems but they could still be identified as cars when the fire had been put out not just a chassis as per the Scimitars



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38DGAS carb inlet pinning

Post by Laters » Wed Jul 24, 2019 12:11 pm

The original carb fitted to my car when I bought it was supposed to be a replacement fitted by the previous owner due to the fuel inlet pipe dropping out.
It was one of the later carbs with the fuel return which while it wouldn't pull out it would go round (it didn't really leak badly was more just wet).
It was on the list of things to be done but the carb was stolen before it got sorted.

I was given a replacement carb by a member of this parish which doesn't have a return & has no sign of being pinned or being loose but am still going to pin the pipe just to be on the safe side.
Since then I have been given another spare carb along with a few carb tops and other bits. Upon checking that, it was in bits in a bag when it got given to me, both the fuel inlet and return are both moveable by a few mm so will be pinned at the same time.
I have brass rod in stock that I am going to use to make the pins & secure the lot with some fuel grade epoxy as the correct mills pins seem hard to find.


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Currently owned:- 1976 se6 automatic

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Nigel Clark
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38DGAS carb inlet pinning

Post by Nigel Clark » Wed Jul 24, 2019 12:12 pm

When I rebuilt the 38DGAS on my SE6A about 3 years ago, the inlet stub wasn't pinned. It pulled out of the carb top fairly easily. I applied Loctite and tapped it back into place.

It now seems firmly attached, no sign of it coming adrift since the Loctite. What is the view here? Is Loctite good enough for this job or does it really need the bullet-proof Mills pin fixing?

Nigel



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38DGAS carb inlet pinning

Post by JoeySully » Wed Jul 24, 2019 12:58 pm

I found a similar problem with a fuel pump too so well worth pinning them while you are at it. I guess the fuel pump is not as bad as it will just spill down the front and not pool on the top of the inlet manifold. I used jbweld and a good tap of a hammer to fix it in place.



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38DGAS carb inlet pinning

Post by gtcse8 » Thu Jul 25, 2019 8:23 am

Spot of White paint on the top of the carb should denote pinning :!:


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