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Mopar Garage => Engine, Transmission, Rearend, & Exhaust => Topic started by: billschroeder5842 on March 04, 2010, 09:09:50 AM

Title: Hesitation at start and a *pop* throught the carburator!
Post by: billschroeder5842 on March 04, 2010, 09:09:50 AM
I've got some hesitation at start and now a *pop* through the carburetor!

My '69 with a 383, headers, aluminum intake, electronic ignition and an Alberik carb has now developed some bad habits. It used to always give me a slight hesitation at start, but a I worked around it with a slight "flutter" of my gas foot. However, I did have it "breaking up" on me at rpms above 4500.

I had a friend come over and help me reset the timing as I thought it was running poorly.
We retarded the timing a bit, but now I've got a *pop* through the carb under moderate-hard acceleration. Gradually increasing rpms gives me no problem, but the hesitation on take off persists.

Are the two related? Should I just not worry about it and advance the timing to the "old" setting.

Any ideas are helpful!
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: Rayzor on March 04, 2010, 12:26:04 PM
It sounds like the timing is retarded a bit to much. what is your base setting?
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: Bob on March 04, 2010, 12:39:33 PM
Mne was the cam.
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: Rob R on March 04, 2010, 12:44:29 PM
It's LEAN..!
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: lisiecki1 on March 04, 2010, 01:25:52 PM
sounds like its running lean and a little too retarded....
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: resq302 on March 04, 2010, 02:42:54 PM
Mine had that too.  Was going from a good idle circut and going lean in the transition.  might want to check the acelerator pump if it is a carter or eddy carb.
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: 68 RT on March 04, 2010, 03:07:16 PM
To find out if it is lean pull a plug or 2, if it is white or very light brown it is too lean.
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: billschroeder5842 on March 04, 2010, 04:10:42 PM
Thanks-good suggestions. tonight I'll advance the timing a bit and put a little back to rich.

It is an Edelbrock carb that is relatively new so I'm thinking the pump is okay.

I'll keep you all posted.

Thanks!
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: ACUDANUT on March 04, 2010, 04:43:46 PM
 Might try new plugs and adjust the carb
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: ACUDANUT on March 04, 2010, 04:46:28 PM
 Make sure the firing order is good. Adjust the carb and replace the plugs.
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: 1969chargerrtse on March 04, 2010, 07:35:32 PM
Breaking up at high RPM's, check the plug gap.
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: cpthowdy1369 on March 05, 2010, 01:09:52 AM
ha ha ha, your car is retarded, ha ha ha   

i'm just kidding around
Title: Re: Hesitation at start and a *pop* throught the carburator!
Post by: Rayzor on March 05, 2010, 12:19:37 PM
Quote from: cpthowdy1369 on March 05, 2010, 01:09:52 AM
ha ha ha, your car is retarded, ha ha ha   

i'm just kidding around
I didnt have have the heart to say it....... :smilielol: