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  1. SSVDP

    Need pics of 273 4 BBL choke

    Check for a blocked exhaust cross-over passage on the intake manifold
  2. SSVDP

    Carter AFB - 1966 273 4bbl 4-speed M/T

    I think the 4120 has a lever for the kick down linkage for automatics. I'm not an expert but typically the manual carbs had a little different idle speed setting otherwise I wouldn't expect too much to be different between the two. If you are talking about the engine not responding to a WOT...
  3. SSVDP

    When and why factory used dual snorkel?

    I'm sure there was a technical specification for restriction at wide open throttle, probably at peak power or max rpm. So the second snorkel was required to meet the spec.
  4. SSVDP

    Help,..Ram 5.2 Running Bad When Warm

    Check for diagnostic codes, some parts stores will check for you. Check the throttle position sensor.
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