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Old 08-20-2020, 08:36 PM   #9
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Join Date: Jan 2014
Location: Orcas Island Washington
Posts: 2,600
Default Re: '40 Ford carb fine tuning help needed

Originally Posted by flatjack9 View Post
The main jets are not in play at low speed off idle conditions. As noted, try enriching the idle a bit.
I'm sorry, but do the twin idle screws enrichen the mixture when turned clockwise ? I have twisted these two screws for 25 years to get that sweet spot, but still don't get if they control fuel or air.
'47 1/2 ton pickup next project, '47 one ton panel 99% stock nearing completion, '47 2 ton with 8ba and 9' script stakebed, '46 1/2 ton woodie project,'59 F350 9' flareside pickup with cummins 6at. 'Rusty ol' floorboards, hot on their feet' (Alan Jackson)
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