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post #1 of 5 (permalink) Old 01-08-13, 10:49 AM Thread Starter
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74 Ford Gran Torino dies when stepping on fuel

I have a problem with my ford gran torino. It has a new 600 Holly carb, 351 cleveland v8. It always ran smooth but these days it backfires through the exhaust when idling. The moment when i step on the fuel it dies... I changed the carb gasket and its not sucking air. I dont think the timing is out. What can it be?

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post #2 of 5 (permalink) Old 01-08-13, 01:42 PM
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Re: 74 Ford Gran Torino dies when stepping on fuel

Cleaned jets ? .Dont know much about that particular carb , but accelerator pump jet can cause flat spot .
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post #3 of 5 (permalink) Old 01-08-13, 05:37 PM
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Re: 74 Ford Gran Torino dies when stepping on fuel

I'd still check the time, you may have broken a tooth.

Ever notice that there's so many high performance parts available for GM products?

Did you ever think that maybe they NEED them?
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post #4 of 5 (permalink) Old 01-08-13, 06:30 PM
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Re: 74 Ford Gran Torino dies when stepping on fuel

Another possibility is water in the fuel. Put a bottle or two of fuel drier in it and see if it clears up.
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post #5 of 5 (permalink) Old 01-08-13, 06:42 PM Thread Starter
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Thank you, it is n brand new petrol pump. Ill check the tooth... Thank you guys!

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