Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

Single barrel re-build question

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Old 06-08-2009, 01:47 PM
  #11  
1slow67
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Turning that in will put less fuel in and out is more fuel.
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Old 06-08-2009, 02:09 PM
  #12  
67mustangreg
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By turning it, you mean righty tighty leftie loosie?
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Old 06-08-2009, 02:49 PM
  #13  
1slow67
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Yes, tightening it puts less fuel in, and loosening it puts in more.
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Old 06-08-2009, 05:38 PM
  #14  
67mustangreg
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Based on the performance I already posted about how too mcuh kills it and too little kills it....can any of you take a stabbing guess at if it needs more or less? The springy little screw seems to be out kinda far.
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Old 06-08-2009, 08:22 PM
  #15  
1slow67
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What you could try.

1. screw it in all the way, but not tight.
2. turn out 1 turn
3. see if engine starts

If it does not start then turn out 1 more turn and try again. I do this until I keep the car running, then you know the number of turns out needed and can start the fine tuning.

Last edited by 1slow67; 06-08-2009 at 08:24 PM.
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Old 06-08-2009, 09:28 PM
  #16  
Cogtx
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Originally Posted by 67mustangreg
My 1967 mustang has what i believe to be a carb problem. When I start it up, if I let off the gas..the engine dies. If i give it too much gas...the engine stops making any sound at all and only revives itself if I let off quickly. If I keep the gas down too much for too long, it just dies.

Almost everybody I've asked has said that's the carb and it needs a rebuild. How do I go about doing this? (I know the rebuild kits are cheap) This is my high school project, and I my dad doesnt know anything about cars. I want to get my mustang back on the road and will be posting in here a lot more. Thanks.
Just a thought...I have an inline 6 which used to run poorly. Bought a carb rebuild kit from autozone and installed it after cleaning. Still ran poorly secondary to fuel filter collecting rust/junk from an old gas tank. I replaced the gas tank, cleaned out the fuel lines, and replaced the fuel filter. Runs fine now. Do a search for the correct tuning of the idle screws and you should be golden...good luck!!! stay in touch..
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Old 06-09-2009, 12:14 AM
  #17  
tx65coupe
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I agree crap in the tank etc will cause all kinda of grief. If the car sat for any extended period of time in its life or was parked outside alot, then the tank is probably junk. I had a new tank in mine about 15 years ago and then for the last 10 years the car was in the garage under a cover and the tank was drained. Well the inside of the tank looked like part of the Titanic, so I replaced it. Just an FYI there is a fuel filter inside the top of your fuel pump on the 200.
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Old 06-09-2009, 01:28 AM
  #18  
67mustangreg
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Yeah. I thought about the gas tank being the issue. But, I'm 90% sure it was already replaced in the early 90's. many parts and reciepts in the car had 1993 on them....

I put HEET and other chems down to try and make the gas better. itsnt changing out the tank a pretty big job?

also, i will try your idea BA mustang....thanks guys!
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Old 06-09-2009, 06:36 AM
  #19  
boeing747arowair
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after 1965 there is no fuel filter on the fuel pump. It was moved up to the carb. If i believe, that only showed up on 65's
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Old 06-09-2009, 10:35 AM
  #20  
tx65coupe
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My tank was replaced in 94 and it was junk, so just because its not the original tank deosn't means its good. Remove the filler neck or the sending unit and look inside to see if its clean or all corroded.
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