Back fire through carb

Engine & Related

  1. Russ69Runner

    Russ69Runner Well-Known Member

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    My Holley had nitrate float's in it. Back in the day we had Gas with Alcohol in it. This ate up the coating on the nitrate float's Bought two new float's and the back firing went away. Was able now to adjust the amount of fuel being delivered to the motor.
     
  2. Coyote

    Coyote Well-Known Member

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    Commendable! Well done, it just takes patience and sleuthing.
    Congrats, glad it wasn’t super expensive!:bananahit::thumbsup2::beep:
     
  3. Jeffm

    Jeffm Member

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    I know this is an old thread but I was just curious if you ever came up with a solution as I’m having the same exact issues with taking off from a stopped position. Wants to cut out ever single time and have to baby it up to speed to keep it from cutting out.
     
  4. Russ69Runner

    Russ69Runner Well-Known Member

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    What type carb are you running. When buying this runner it was back firing through the carb. The floats had to be replaced. The timing was off as well. If you have not done it rebuild the carb. then give it a good tune up. Check for any vacuum leak's. Then see how she dose. Maybe a dirty fuel filter also. :thumbsup2:
     
  5. dmartin

    dmartin Well-Known Member

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    I adjusted my accelerator pump arm linkage works like a charm no more babying it
     
    Russ69Runner likes this.
  6. Russ69Runner

    Russ69Runner Well-Known Member

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    My Holley rebuild kit came with accelerator pump cam's. Called Holley and they suggested which one to use. That probably helped it did not have any hick up's when revving up the motor.
     

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