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Carburetors and Carb Tuning.. All info about old school carb set ups..


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Old 03-30-2010, 09:15 AM   #1
codysa22c
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Default 1980 rx-7 No Start 12 a Carb Problem?

hey my car isnt starting and hasnt for years......i though the gas was bad cause it sat for a long time but its not the gas cause i got some from the line and it light right up......so i checked in the carb its bone dry the...now im not to mechanical intelligent about any thing but the 4 gas injectors in the carb if that is what you wanna call them isnt dripping any gas any tips????






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Old 03-30-2010, 10:14 AM   #2
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First thing to check is whether the fuel pump is running when the key is in the "on" position. If it is, there could be a blockage either in the fuel line somewhere or in the pickup tube in the tank.
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Old 03-30-2010, 05:54 PM   #3
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the gas makes it all the way to the carb then nothing and the fuel pressure is about 3pounds just like what the book said it should be.....so idk i think im gonna have to do a carb rebuild it sucks......
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Old 03-31-2010, 06:48 AM   #4
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Floats are stuck? Try banging on the top of the carb with a plastic hammer (or, since nobody actually owns a plastic hammer, something similar). This might jar them loose and allow gas to enter the bowls.

Good carb info available at www.sterlingmetalworks.com

Good luck.




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Old 03-31-2010, 08:59 AM   #5
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ok thanks i will try that.......but i found 2 small filters i didnt see in the hose housing that is on the carb....and they were really dirty ill post a video of it in a minet but i think thats why it might not be going into it
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Old 03-31-2010, 09:13 AM   #6
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Quote:
Originally Posted by Kentetsu View Post
Floats are stuck? Try banging on the top of the carb with a plastic hammer (or, since nobody actually owns a plastic hammer, something similar)
Hey! i own a plastic hammer
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Old 03-31-2010, 10:08 AM   #7
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yeah, but you aren't nobody.... or are you?
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Old 03-31-2010, 07:30 PM   #8
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here a video to help explain my problem hope you guys can help me and a small update on what i have done from my last video 1day ago

http://www.youtube.com/watch?v=_wVJdm8WFLw
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Old 03-31-2010, 10:12 PM   #9
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I second the floats being stuck in the up position. Try tapping it like Kentetsu says. If that doesn't work, take the top of the carb off and make sure they move freely, and check for debris or whatever at the same time.
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Old 04-01-2010, 12:58 PM   #10
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hey guys would an air vent solenoid stop fuel from getting to the carb????
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Old 04-01-2010, 01:08 PM   #11
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Quote:
Originally Posted by codysa22c View Post
hey my car isnt starting and hasnt for years......i though the gas was bad cause it sat for a long time but its not the gas cause i got some from the line and it light right up......so i checked in the carb its bone dry the...now im not to mechanical intelligent about any thing but the 4 gas injectors in the carb if that is what you wanna call them isnt dripping any gas any tips????
gas only lasts about 3-4 months, it will burn in air even 20 years from now but it won't explode in the engine- Change that-
and hopefully you checked your compression first
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