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01-02-2006, 04:45 PM
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Tuning and identifying a edelbrock carb
I bought a 77 F350 with a rebuilt 460 to install in my 66 F250 and it smells a little rich,it has a edelbrock carb and I do not know the size and I would like to jet it down some. I have messed with holleys but never touched a edelbrock/carter carb and the only number I found stamped on it is 1407-1781 at the base in the front,I would like to tune it in the donor truck before I pull the motor. Jeff
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01-02-2006, 05:35 PM
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Buy a calibration kit from Summit or Jegs for Edelbrock carbs.About $35. It will come with an assortment of jets,metering rods and springs. You can get print a manual off Edlbrocks website that haas a tuning chart to tell you what jet/rod/spring combo you need for which way you want to go, lean or rich. Its a nice kit.Lets you really dial in the carb. Best part is you dont have to remove the carb for jet,rod or spring changes.Each change can be done in less than five minutes with the carb hooked up on the car.
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01-02-2006, 06:23 PM
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1407 Edelbrock is a 750 cfm
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