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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Rough takeoff

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Old Sep 25, 2021 | 05:58 PM
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Rough takeoff

I attached a video but when I give the truck just a little gas it shakes and is very rough. I do it twice in the video to show the shaking. But if you give it a lot of gas taking off it is smooth. That’s the last one in the video. Please excuse the 2 year old talking in the beginning. Any ideas on where to start looking?
 
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Old Sep 25, 2021 | 06:01 PM
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I would adjust the idle mixture screw or screws in the carb as a start. I say screws or screw, ,not sure what you are working on.
 
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Old Sep 25, 2021 | 06:03 PM
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I tried to attach the video but it didn’t work. And I don’t know what I’m doing lol. It’s an 86 302 efi.
 
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Old Sep 25, 2021 | 06:10 PM
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Have you pulled the codes on it? You may have a TPS code. If you don't, you could still check the TPS and see if it's working smooth with a old time meter.
 
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Old Sep 25, 2021 | 06:31 PM
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Stick or auto transmission?
Dave ----
 
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Old Sep 25, 2021 | 06:47 PM
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Originally Posted by FuzzFace2
Stick or auto transmission?
Dave ----
AOD transmission. 4wd if that matters.
 
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Old Sep 25, 2021 | 06:56 PM
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Check the trans & motor mounts.
If the trans mount is bad it can move around and cause issues.
When you give it a lot of throttle the trans is held tight then.
Dave ----
 
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