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Distributor/carburetor issue

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  • Jeffry Cassel
    replied
    Why aq 'new distributor? Was the original a Delco? They don't wear out and if they do they are quita repairable. You have a problem with your advance. You may what to put a Delco s window back in.

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  • doofus
    replied
    Over the years i have found several 289 engines that were actually 259's.dont mind the engine number look at piston top, if flat could be a 259 so measure the stroke as best as you can. 3.250=259, 3.625=289. Luck Doofus

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  • Ron Dame
    replied
    Most carburetor problems are ignition related. Listen to Mike V. Dial up the timing just a few degrees. Also looking at the timing marks. If they are jumping around, your distributor bushings and/or weights are worn out and you need a rebuild.

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  • StudeRich
    replied
    So does your "New" Chicom? Distributor have a "Tach Wire" on it that you connected?

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  • kpayne9449
    replied
    Oh! I bent the linkage down a little so the accelerator pump plunger pushes more gas into it. Simple fix and it worked like a charm

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  • BobWaitz
    replied
    Originally posted by kpayne9449 View Post
    Ok! Got it running smooth. Only issue now is there is very little pep when I press the gas. Is there a way to increase this? Also the tach isn’t working properly after converting to an electronic distributor. Anyone else have any of these issues?
    Whoa there! You have to tell us what you did to solve the problem before you start asking new questions!

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  • kpayne9449
    replied
    Ok! Got it running smooth. Only issue now is there is very little pep when I press the gas. Is there a way to increase this? Also the tach isn’t working properly after converting to an electronic distributor. Anyone else have any of these issues?

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  • GrumpyOne
    replied
    Float level set too low is a common mistake of the pros and shadetree mechanics. Otherwise see the remarks above...

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  • Bill Graepel
    replied
    Don't know if carb has 2 vacuum ports. If so, be sure vacuum advance hose is on correct port because as soon as you open the throttle plate, it will lose vacuum and timing will return to static setting. A simple test with a vacuum gauge.
    Hope this helps.

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  • Jeffry Cassel
    replied
    Accel. pump. what tsenecal said. auto choke could be a notch or two lean also.

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  • Mike Van Veghten
    replied
    A "get hawk" ?
    I assume that you mean a GT Hawk ?

    1. Ignition timing too low. Set it a little (4° to 6°) higher than the "book" recommends.

    2. Does the new distributor have points or an electronic module ? If points, did you lube the rubbing block ? This can easily alter the timing when the block wears from no lubrication.

    3. The idle mixture screws may be a little too lean. Turn them out 1/2 a turn, see what that does.

    4. Hopefully the rebuilt carburetor has ALL...of your original parts still in place. Many rebuilders don't use the correct parts. I've seen this happen more times than I care to think about. Plus, this complicates the tuning, and gives the exact problems that you seem to have.

    Take a look at 1 thru 3 above, readjust as required, good luck.

    Mike

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  • kpayne9449
    replied
    Ok let me look at that and I will get back with you. Thanks!

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  • tsenecal
    replied
    I know that you said the carb had just been rebuilt, but it sounds like the accelerator pump is not working. Can you look down the throat of the carb and look for a spray of gasoline when you go from idle to full throttle? (Do this with the engine off). If a carb kit sits on the shelf too long, the cup that pushes the gas out of the accelerator pump can shrink up and not seal. Good Luck with it!

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  • kpayne9449
    started a topic Engine: Distributor/carburetor issue

    Distributor/carburetor issue

    Greetings and merry Christmas!
    ok guys I got a 62 get hawk and I am having hesitation issues when I press the gas. The carb was just rebuilt and I added a new distributor, plugs, and cables. It doesn’t quite have the pep when I push the gas either when I’m already driving down the road. Bonus though the engine is running smoother than it ever has. I am just having issues with it dipping out when I first press the gas. Any thoughts?
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