67burwood Posted September 2, 2023 Share Posted September 2, 2023 Wanted Zenith 42VE1 carb, the carb came off an Austin K9 but may have been fitted to other vehicles, the thread has disintegrated on the fuel feed banjo, if you have carb that maybe useful for spares or repair please let me know. Quote Link to comment Share on other sites More sharing options...
john1950 Posted September 2, 2023 Share Posted September 2, 2023 Just use a helicoil to fix that. Quote Link to comment Share on other sites More sharing options...
67burwood Posted September 2, 2023 Author Share Posted September 2, 2023 1 hour ago, john1950 said: Just use a helicoil to fix that. I had thought about using a helicoil but 2 things crossed my mind, first would it seal well enough for Petrol and second I have no idea what type of thread size it is. Quote Link to comment Share on other sites More sharing options...
Citroman Posted September 2, 2023 Share Posted September 2, 2023 Put the helicoil in with loctite. Do you have picture of the complete carb? Quote Link to comment Share on other sites More sharing options...
67burwood Posted September 3, 2023 Author Share Posted September 3, 2023 14 hours ago, Citroman said: Put the helicoil in with loctite. Do you have picture of the complete carb? I’ve had a look at the thread size and I’m assuming it’s BSF but I’ve nothing to compare it to, a 1/2 inch unf nut screws on but is a very loose fit, does anyone know what the equivalent BSF would be? Quote Link to comment Share on other sites More sharing options...
Citroman Posted September 3, 2023 Share Posted September 3, 2023 Thanks for the pictures. I have an old zenith here but helas of an other model. I think it's pre-war. 1 Quote Link to comment Share on other sites More sharing options...
attleej Posted September 3, 2023 Share Posted September 3, 2023 I would expect that the thread might be BSP, probably, 1/4 BSP. I have not used helicoils but I would machine an adaptor that screwed right in and took advantage of all the threads remaining below the stripped ones. It would want to be locktited to seal it. What sized spanner fits the banjo bolt! It would not take long and I would be happy to do it for you if you are in Esher. I have all the taps and dies that the tread could conceivably be. John 4 Quote Link to comment Share on other sites More sharing options...
67burwood Posted September 3, 2023 Author Share Posted September 3, 2023 5 hours ago, attleej said: I would expect that the thread might be BSP, probably, 1/4 BSP. I have not used helicoils but I would machine an adaptor that screwed right in and took advantage of all the threads remaining below the stripped ones. It would want to be locktited to seal it. What sized spanner fits the banjo bolt! It would not take long and I would be happy to do it for you if you are in Esher. I have all the taps and dies that the tread could conceivably be. John John, that would be very much appreciated, yes I’m in Esher Surrey, I’ll pm you. Many thanks Seamus Quote Link to comment Share on other sites More sharing options...
Citroman Posted September 3, 2023 Share Posted September 3, 2023 Adapter is also a good idea. 1 Quote Link to comment Share on other sites More sharing options...
wally dugan Posted September 3, 2023 Share Posted September 3, 2023 a number of post war AUSTINS WERE fitted with the ZENITH 42VI 8 austin sixteen 1946/47 austin A70 austin 25 cwt of early 1950s 1 Quote Link to comment Share on other sites More sharing options...
67burwood Posted September 4, 2023 Author Share Posted September 4, 2023 10 hours ago, wally dugan said: a number of post war AUSTINS WERE fitted with the ZENITH 42VI 8 austin sixteen 1946/47 austin A70 austin 25 cwt of early 1950s Thanks Wally, if it can’t be repaired I’m sure a replacement will turn up eventually. Quote Link to comment Share on other sites More sharing options...
67burwood Posted September 13, 2023 Author Share Posted September 13, 2023 My original carburettor has now been repaired, I’d like to thank John Attlee for his engineering expertise, John re-tapped the thread and made a new longer banjo bolt 👍👍 I am still looking for a rebuild kit in particular a gasket set for the carb if anyone can help please let me know. 4 Quote Link to comment Share on other sites More sharing options...
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