i have 1 of those carbs on my 440 . Yep 2 half pumps and will normally fire up dead cold - but will have to hold idle to 900/1000 for about a minute , then will idle roughly till about 130deg eng temp .Will occasionally stall when air is cold when I have backed out of garage and then let idle .By the way mine idles around 900/950 in neutral
great carb though
Tex
New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive
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