1st gen stumble?
#1
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1st gen stumble?
k, got this first gen week or two ago, and evr since i have had it, it bucks, and back fires, and stumbles(like it isn't getting fuel) to about 3 grand, then it is okay, also when i put it to the floor it runs great...... but anything under 3, and it will hardly get moving when i go to take off...... I have rebuilt the carb, and removed the rats nest, still the same out come... Any hepl would be greatly appreciated
#3
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It's somewhere in the air/fuel delivery system or possibly spark system for sure, because I can't see it being anywhere else from your description.
If you've rebuilt the carb and you're quite sure of your craftsmanship than I'll believe you on that. The next things to check are your fuel pump and filter, your timing and your mixture. If your carb is rebuilt and running properly, your spark is there when you need it, the fuel filter is clean and you're getting enough gas, and your mixture isn't too rich or too lean, then I have no clue!
Jon
If you've rebuilt the carb and you're quite sure of your craftsmanship than I'll believe you on that. The next things to check are your fuel pump and filter, your timing and your mixture. If your carb is rebuilt and running properly, your spark is there when you need it, the fuel filter is clean and you're getting enough gas, and your mixture isn't too rich or too lean, then I have no clue!
Jon
#5
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Check your leading ignition too. Sometimes they will run ok at higher rpms if the lead ignition is out, but really suck at the lower range. Also, if this is happening, the engine may seem to be hotter than usual even though the temp gauge reads fine (lots of ticking after shutdown). Good luck.
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yeah, i am pretty confident in the rebuild, i'll do a tune-up on her, and see where that goes.... Also, one more question, the two vacuum lines on the dist....... can i get rid of those, or are the some kinda vacuum advance, and the purge valve for the oil (on the spout of the filler neck) should i leave that hooed up, or can i just stick a small filter on that and be okay
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#9
haynes manual tells you how to measure them to set them to factory specs. yea you can remove the vacuum lines on the distributor it is a vac advance, lots of opinions on this, some like it some don't.
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tried to start it today, and no gas was comin from the carb, i am gonna replace the fuel pump /filter and put a fuel pressure regulator on it to prep it for the ida's ehan i ever get them, i'll get back to u guys in a day or so if the problem persists after the pump and stuff
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demetlaw
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