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  #1  
Old 07-01-2016, 03:39 PM
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Frango100 Frango100 is offline
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Default Irregular idle and fluctuating above idle

Sometimes it was idling fine, but yesterday it didnt want to idle at all, had to keep my foot on the accelerator all the time. So it was time for some carburetor clean-up. Checked youtube yesterday for some tips on cleaning the Edelbrock 1405, but seemed to be quite straight forward. Tackled it this morning, before going to work. Found some debris in both float chambers and some piece of a rag blocking the left idle jet. Cleaned it all up and blew some air through all the jets and openings. Cleaned the idle mixture screws and the main mixture needles (is this the right name?).
Could just idle it for some minutes before heading to work, but what a difference. Now it idles like a dream and accelerates smoothly. Tomorrow morning will take it for a ride and see how it behaves on the road.
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Old 07-01-2016, 04:51 PM
Tbird1044 Tbird1044 is offline
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Do you have a fuel filter in line somewhere. If not I would recommend putting one in. Much easier to change a filter than take the carb apart to clean it.
Nyles
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Old 07-01-2016, 05:17 PM
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As Nyles said, a filter is needed especially if your gas tank has been on the car for a while. An inline filter just before the pump will save you from many fuel related problems. Strange to find a piece of rag in the carb.
Carl
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Old 07-01-2016, 07:32 PM
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There is an inline filter just before the pump, only have no idea when that was changed for the last time. The car came with an almost new fuel tank, so that should be ok. I didnt look that good into it, but is there also a filter under the fuel pump itself? It looks at least as a filter bowl.
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Old 07-02-2016, 12:27 AM
alnukem alnukem is offline
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I've learned a $20 Vacuum gauge is a very good friend!
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Old 07-02-2016, 01:17 AM
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I have a double vacuum gauge for my motor cycle, which i used to regulate the idle mixture screws.
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Old 07-02-2016, 11:32 AM
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Quote:
Originally Posted by Frango100 View Post
There is an inline filter just before the pump, only have no idea when that was changed for the last time. The car came with an almost new fuel tank, so that should be ok. I didnt look that good into it, but is there also a filter under the fuel pump itself? It looks at least as a filter bowl.
The original fuel pumps did have a glass bowl at the bottom with a filter inside. The external filters of today are probably much more effective.

John
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Old 07-03-2016, 04:18 PM
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The birds engine is working wonderfully and the sound it makes put a smile on my face. I only have some strange transmission behaviour, for which i opened another thread.
Filled the gas tank yesterday, whereafter a large fuel leak started.. Found the rubber gasket from the level sensor split in two. Will tackle that tomorrow during my day off.
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