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Hello, I bought an 84 F150 Supercab with a 351W HO and an automatic, Previous owner put an Edelbrock Carb on it (claimed it got better mileage) Problem is if you floor it the throttle sticks and the only way to get it unstuck is to pull it forward from under the hood, the truck will kick down into passing gear when given less than a quarter throttle, and Last but not least the with the kickdown lever connected the throttle will not close all the way and thus the truck Idles too high. what do I do here?
Hello, I bought an 84 F150 Supercab with a 351W HO and an automatic, Previous owner put an Edelbrock Carb on it (claimed it got better mileage) Problem is if you floor it the throttle sticks and the only way to get it unstuck is to pull it forward from under the hood, the truck will kick down into passing gear when given less than a quarter throttle, and Last but not least the with the kickdown lever connected the throttle will not close all the way and thus the truck Idles too high. what do I do here?
Hell-o, you will probably have to modify your bracket for the throttle cable.
It has been a while, but seems to me, I made some minor changes to make it happen.
Also check to see if you have the proper Kick Down bracket on the carb for your trans.
I have the Eddy carb on my truck(Since 1995)and have been well satisfied with the reliability and performance.
Hope this helps. Trav
You need to break your big problem down into smaller ones.
First, take the kickdown off and lay it aside, you can do without it for awhile.
Then take the throttle cable off till you have just the carb lever sitting there. Work the throttle and see if it sticks. Don't do it too much, each time you move it you are pumping fuel into the engine so do it just a few times so you will not flood the engine too bad. If it still sticks, you know you have a carb problem.
If it doesn't stick, then you know it must be something with the cable. Start the engine since it's starting to flood, and let it run a little bit. Then turn it off and work the throttle with the cable connected. If it sticks, take the cable off and work the pedal without the carb attached. Try to narrow down the problem, either the carb, the cable, or the marrying of the carb to the cable.
If you think you have it fixed, drive it awhile without the kickdown. You never know, the kickdown may be the whole problem.
Please report back what works, what doesn't, how you fixed it, etc. I will be installing an Edelbrock on my 351/C-6 combo and may need the info. Thanks.
ETA: In researching the use of an Edelbrock carb. on my 351W, I found that Edelbrock says you need Ford Throttle Lever Adapter #1483 for the kick-down and Throttle Cable Plate kit #1491 to re-position the throttle cable. If you check Edelbrock's website for pictures of these you should be able to determine if you have the needed pieces.
If the kick-down is hooked up, you should have #1483 (unless it was rigged up some way), but if #1491 is missing, that may be causing your problem.
I ended up just disconnecting the kickdown rod. truck has plenty of power without it. when I find a carb that is better suited to this application I will fix it the right way. I am not a fan of the edelbrock carb so I wont be spending any money on a linkage kit for it. Thanks for the advice everyone. Take care.
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Trav
