You found the heat tube mounting end - Yay! You can certainly form your own tube, but it will be easier to use Nicopp tubing (Nickle-Copper) of the right diameter as it its much easier to bend/form and less prone to kinks. I've used the same type tube for brake lines and fuel lines with great results.

On the carb identification, that bowl number is one piece to the puzzle. Look for a stamped number on the throttle body base. IIRC there is more info on the combined numbers in a posted list that could help pinpoint the ID. Let us know what you find.


~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)