>$289.00. This is a single carb set-up, and I wonder about provisions on >this carb for intake air pre-heating--carburator icing can be, ah, >inconvenient. > I've had 3 setups on the '73 Campmobile - stock (dual solex 1bbl), weber progressive, and dual del ortos (basically 4 single barrel carbs with shared bowls). There was a definite increase in power when I converted to the weber. There was, however also a definite loss of cold weather driveability - carb icing, and no preheat air really messed things up. I have very good cold weather driveability (it's all relative - keep in mind I live near Dallas, Texas) with the Dels. They have no choke. To start up, the instructions just recommend a blip with the throttle to keep it running (accelerator pump). This is for 60 seconds or less. Carb icing is not a problem either - there is no preheat, but with one barrel per cylinder, the air is moving through the venturi much slower, expanding and cooling less. I suppose the flip side to this is that the slower air speed might not allow full atomization of the fuel, with a corresponding loss of efficiency. My mpg is the worst with this setup, but I've accepted that penalty for the excellent power. Not sure I'd do it again. I'd re-evaluate the mileage and additional hardware cost vs the power increase - I mean, I'm not building a hot rod here. Dean
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