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HJ Kingswood stock Stromberg

Hi, I'm about to put a carby kit in the old single Strommy. What's a good starting point for the idle mixture screw to get it running well enough to get to the servo for a tune up? All the way in, back it out "X" times. That kinda thing. Thanks Gerry

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one and a half turns out it the general setting on a stromberg
so screw it in till you feel it stop then back out one and a half turns been setting them this way for over 40 years

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Thanks for that. I might split the difference and fiddle a bit. :)

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I put a kit through mine (HR) and the instructions advised 1 turn...that seemed to be a good starting point...once running I just screwed in and out from that point until I got the fastest rpm...re-adjusted idle speed and that was it...no visit to the servo for a tune up...has run fine ever since in all regards...

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Andrew

If you ever see a vacuum gauge for sale anywhere buy it and then you can set the mixture screw dead spot on...no guessing.

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Disclaimer :- The above is purely speculation and is only posted for entertainment purposes!!!

If you can turn it all the way in while it's still running means there's a leak ,l always done the one an a half as well ,other thing is give it a good rev than throw ya hand over it a couple off times clears them a lot as well.

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turn to smoothest, highest idle speed. if its far from 1 to 2 turns, you either have a minor vacuum leak, incorrect idle jet, or a non-stock application such as a larger cam. if you can wind it all the way in and not stall the engine, you are running on the main circuit likely due to larger cams etc and the idle speed setting being too high for the design of the carby.

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