440 Carb Selection.

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  1. rockdog2112

    rockdog2112 Well-Known Member

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    I have a 1969 runner 440 4spd. no air. It came with an 850 double pumper witch just seems to be overkill. I live at 6100ft of altitude(does this matter in selecting a carb?) I have no idea what it has for a cam or pistons but it seems fairly mild. It's a C440(1967). It has a Weiand dual plane manifold and 3.23 gears in the rear. Can this 850 be properly jetted? It seems to be running waaaaay rich. Any suggestions for a new carb size for this combination? Thanks, Joe.
     
  2. 69hemibeep

    69hemibeep Sponge Bob Square Wheels

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    Just needs to be jetted properly. If it has a power valve and its no good it will run real rich and all it takes on older hollies is a backfire to blow one.
     
  3. rockdog2112

    rockdog2112 Well-Known Member

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    Well, that's certainly happened a time or two. Any idea what jets to start with?
     
  4. 69hemibeep

    69hemibeep Sponge Bob Square Wheels

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    Smaller than whats in it LOL, sorry its hard to guess.
     
  5. rockdog2112

    rockdog2112 Well-Known Member

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    Lol. Yep that for sure. A guess I need to see what it has first.
     

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