Recently purchased a reconditioned Stromberg150CD to replaced the original in 'ANA'. I rapidly ran into a few problems when I realised the fuel intake tube was 'missing' with a threaded hole instead.
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| Old Stromberg 150 Carb fitting |
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| New Carb threaded fitting |
This was originally designed for a direct threaded pipe intake similar to a brake pipe union. I decided to use a barbed threaded fitting to a rubber tube. Finding the thread size was not easy....Imperial?.....Metric?......BSP?.....NPT?
I tried M10 x 1.5 ; 3/8 UNC ; etc, with no luck.
After some head scratching I found it was M10 x 1.25. So if you have this problem converting to a 'push on' fuel pipe fitting, this is the thread required :)
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