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By mgcookwv - 7 Years Ago
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I've posted several issues I had when I put a MSD distributor, Holly 08007 4 barrel carb and a 1957 intake manifold.
Happy to report the car is running perfect, all the issues fixed except the trans mission . When I stop the transmission acts like it wants to shit to another gear only briefly.
How do I make the adjustment to get my transmission in sync with my carburetor?
I have a 272 y-block and a Fordamatic transmission ?
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By MoonShadow - 7 Years Ago
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Do you have a Motors Manual or detailed manual for your Ford. There are very specific instructions on the adjustment of the kickdown to the Ford O Matic. If set correctly when you push hard on the gas at a stop it will actually take off in 1st gear. Also having the two original springs seems to be important. The amount of spring tension on the linkage that bolts to the intake is important and determines correct shifting.
https://www.fordbarn.com/forum/showthread.php?t=67217
Scroll down for pictures and instructions.
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By 2721955meteor - 7 Years Ago
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moonshado is correct,also trans life is dependent to proper throttle pressurere the adjustment of linkage .all shifts are controlled in part by the so called kick down linkage
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By mgcookwv - 7 Years Ago
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Thank you, I do have a manual on my Ford. I will see if I can do this. Thanks again!!
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By GREENBIRD56 - 7 Years Ago
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When trying to doctor my '56 T-bird's kickdown linkage, I found that part of the adjustment procedure was in the Ford-O-Matic manual - and part was in the manual for the bird - so be sure to try and locate the necessary books for your outfit. The transmission book had more info in it than the car manual.....
It starts off with being sure that the accelerator pedal is far enough off the floor to provide sufficient travel to the mechanism. You must first have sufficient travel to provide "wide open throttle" (WOT) (its about halfway to the floor) - then the linkage must travel further into a spring loaded slot where the transmission rod begins to travel downward, operating a valve on the transmission. The principle problem I discovered, was that the new carburetor (a Demon) had a much stronger return spring than the original carb - and all of the "spring balance" built into the unit ....... was therefore upset.
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