Sidedraft setup!

Discussion in 'Engine/Drivetrain' started by 1990Tippin_a_77, Sep 21, 2011.

  1. 1990Tippin_a_77

    1990Tippin_a_77 Newbie

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    Anyone have a step by step of connecting and setting up dual web 45's with a cannon manifold to a 20r?
     
  2. suncomb1

    suncomb1 Enthusiast

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    I have Weber DCOE 45 Carbs on a 20R Head/ 22R Motor. What do you want to know?
     
  3. 1990Tippin_a_77

    1990Tippin_a_77 Newbie

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    I got it installed and everything! The problem now... It wont start up.. I have the same carbs as you do. I pumped it like 15 times and it sounded like it was about to turn over! went to adjust my screw and lost everything... What would the factory setting be for the weber mixture and idle speed screw.. at least to get it running.
     
  4. suncomb1

    suncomb1 Enthusiast

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    First make sure that you have fuel pressure at 1-1 1/2 PSI at the carbs. Back off the throttle adjusting screws on both carbs until they do not touch the linkage then turn them in 1/4 turn further past the contact point. Turn your Idle screws all the way closed (gently) then back them out 3 turns. Pump the throttle 3 times and try to start the motor. Do it again if it does not start. When the engine starts turn down your idle to about 1000 RPM. Let the engine warm up. Once the engine is at normal temperature, disconnect the linkage on each carb and use your Sync gauge to balance the carbs (Critical). When the carbs are balanced re install the carb linkage (adjust the linkage so your balance / idle do not change). Let me know how you do.
     

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