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Post Info TOPIC: i dont get it!!??


Poncho Master!

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i dont get it!!??


okay, soo, my carb is not squirting fuel. (2-barrel)  If i pour some gas in the carb it starts and i can rev it no problem. I cant start it without putting fuel down the carb. Where the plunger is, is there supposed to be a little metal ball in there? Would the two fuel mixture screws have anything to do with it? Float? I dont get it (like usual!!)

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1959 El Poncho!!


Canadian Poncho Superstar!

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Give the main body a couple of good raps with the handle of a screwdriver. Float might be stuck.

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Ray White, Toronto ON

1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Polo green metallic & tan  - Bowling Green Kentucky 






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73SC wrote:

Give the main body a couple of good raps with the handle of a screwdriver. Float might be stuck.



or the needle may be stuck to the seat. are you getting fuel from the pump?

 



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Poncho Master!

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im getting fuel from the pump, and the float should be moving cause i took the top of the carb off to check, but, i will give it some whacks. thx

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1959 El Poncho!!


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59poncho wrote:




okay, soo, my carb is not squirting fuel. (2-barrel)  If i pour some gas in the carb it starts and i can rev it no problem. I cant start it without putting fuel down the carb. Where the plunger is, is there supposed to be a little metal ball in there? Would the two fuel mixture screws have anything to do with it? Float? I dont get it (like usual!!)




 Trevor, so the bowl is full of fuel? If it is, the most likely event is that the accelerator pump is dried out and instead of forcing fuel through the body and out the horn, it is bypassing the pump and the pump wall. Has the carb been sitting over the winter or longer? It is obviously getting fuel if the engine stays running after you start it unless the passages have plugged from the checkball to the horn.
 If you can, gently flare out the pump rubber, make sure there is lots of fuel in the bowl and manually push the plunger down in it's bore. You should, all things being equal, get fuel spray. 


 



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Vincent Jr.



Poncho Master!

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Posts: 1921
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i rebuilt the carb (which is my first problem!!) and put a new plunger in. Now i wonder if the plunger isnt seated properly like your saying. There is fuel in the bowl. I also cant remember if there is supposed to be a little ball where the plunger is or not and should it be steel or copper?

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1959 El Poncho!!


Uber Guru

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Its been a long time since I did a two barrel but I think the older rochester 2gc carb
did not, but had one in the discharge tube under the venturi cluster assy. The newer ones had under the plunger inlet tube and discharge tube. Here is a good read . Its the Rochester manual.



http://www.oldcarmanualproject.com/manuals/Carbs/Rochester/2-Jet/1964Manual/pages/64Rochester2Gmanual_0002_jpg.htm

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Uber Guru

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This is a parts breakdown from a newer rbuild kit see part 48 and 49 also part 64



img149.jpg



This is from older rebuild kit  50's and early 60's rebuild kit see part 40, discharge ball under venturi cluster and nothing under pump.


img150.jpg

-- Edited by Beaumont4008 on Tuesday 14th of April 2009 10:40:20 AM

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Poncho Master!

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thanks, that is very helpfull!!! you guys are good

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1959 El Poncho!!


Poncho Master!

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Posts: 1921
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i got it working, thanks guys. I must say again the people on here are the best!! I adjusted the float again, and made sure everything was were it should be and presto, squirting fuel like a banshee!! thanks again.

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1959 El Poncho!!
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