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vac help

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10-26-2012 19:19:23

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I need to know about how many turns on my carb adjustment screws i need to adjust my carb on my vac cast it has been running kinda strange it would run fine then start sputtering and acting like it doesnt have power i am going to blow the carb out tommrow and readjust it and check the plugs thanks in advance

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10-28-2012 06:16:14

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 Re: vac help in reply to sunaewayha, 10-26-2012 19:19:23  
thanks for the help i will post when i clean out the fuel system i added some treatment to the gas and going to adjust the choke cable it has been sliding on me some and when it gets to a point it wont run real good the plugs looked good and pulled the gas out to check the sediment bowl and carb i am planning on adding a inline fliter to it as well i will update when i get everything done to it soon jerry

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10-27-2012 15:39:28

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 Re: vac help in reply to sunaewayha, 10-26-2012 19:19:23  
Both adjusting screws should be set at one full turn to begin with. They can be fine tuned from there. Be sure you don't over tighten when turning them in. Lee

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10-27-2012 15:20:49

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 Re: vac help in reply to sunaewayha, 10-26-2012 19:19:23  
Turn the screws in tight and count the number of turns. After cleanup set needles by turning in till tight, and then turn back out number of turns from first step. This will be an initial adjustment, then you can fine turn from there.

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j hikemper

10-27-2012 13:42:57

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 Re: vac help in reply to sunaewayha, 10-26-2012 19:19:23  
when my gassers start doing that scht, after cleaning the seduiment bowl and chekin for good flow .. and turning the carb screws a little,,, i add some lucas fuel conditioner or seafoam , or both ,, the modern gas goes sour in 30 days

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10-27-2012 05:22:01

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 Re: vac help in reply to sunaewayha, 10-26-2012 19:19:23  
Need to look in the tank and see if you have a blockage at the sediment bowl intake. Sometimes there is a screen on it and it can get debris blocking. Also junk can get down inside at the shutoff valve. Just a couple of more possible problem areas. gobble

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