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Post Info TOPIC: Help with engine


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Help with engine


Hello I was wondering if someone could steer me in the right direction with my problem.

 

when I try to start my car it catches relatively quick, but dies out as its starved for fuel, or it shakes, or puffs and spits from the carb.

 

I had the carb rebuilt, but it still stalls out if I don't press on the pedal.

 

What could my problem be? I am thinking the following;

 

1. The guy didn't rebuild my carb correctly.

2. Change the coil.

3. Do a complete tune up and change the wires, plugs and points.

4. Something to do with a fuel pump (where is the fuel pump?).

Thanks for your help.

Barry

 

 

 

 

 

 



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51 pontiac chieftain straight 6...work in progress



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Sorry, I have a 6 cylinder 51 chieftain. Is there a way to check this by pulling off the fuel feed line to my carb and trying to start the car and seeing if fuel comes out.

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51 pontiac chieftain straight 6...work in progress

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Guru

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if its a 239 flathead, looking at the front of the engine on the left side just above the oil pan should be the fuel pump cannot locate my manual, to see if it gives a type but believe is ac delco, could be the diaphragm is gone, but rebuild kits should be availavable

bill in red deer

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Addicted!

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Yes you can disconnect at the carb to see if you are getting fuel if not it is not a big job to pull
the fuel pump then you can check the pressure on the inlet and outlet by activating the arm by hand
the arm runs on your cam not sure of the psi, the fuel pump is about a foot or foot and ahalf in front
of the carb and straight down on the lower edge of the engine block.

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Canadian Poncho Superstar!

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Eliminate the coil possibility by trying another coil ....I remember that stupid issue with one of my carsSo simple to hook-up and try.....we didn't think it was that and wasted time on more complicated issues//...and in the end it was the coil.



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Addicted!

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Thank you all for your replies. As soon as this rain stops i will get out there and investigate.

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51 pontiac chieftain straight 6...work in progress



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Posts: 113
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Anything conclusive (may be proper spelling) as yet?

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Guru

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your engine run ok over the idle speed? If yes, look at the sleeve under the carburator, yes, in the intake, the sleeve can pitted by the exhaust gas. The exhaust gas, when the heat riser valve work properly, flow around the «sleeve» to heat up the intake in the engine heat up period. I've seen some Pontiac one barrel carb intake with small hole from the corrosive exhasut. If I'm correct, remove the sleeve, ask a machinist to make you a new one, heat your intake after, freeze the new sleeve, drop the cold sleeve in the hot intake ET VOILĄ!

 

Fitz.



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