1966 Plymouth Valiant /6 & Holley 1945 carb can only get to idle at 1250rpm. How to get a lower idle without dying?

junkyardhero said

is the engine original to the car or is it from a later date, thus explaining the pan situation?

i believe that the early body takes a unique pan. @MidnightSwinger or @RustyRatRod would be able to confirm

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Yeah it’s a later engine. Blue block and 5 freeze plugs. I know the pan I need, just don’t have it. It’s the pan without a number stamped on it. Bulge in the middle. Don’t know where to find it either. There’s a guy near me selling the oil pan I need, I can only hope he actually has it.