Hard shifting
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Joined: Nov 2005
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Hard shifting
I have a 2000 f-150 SLT that I have put 33” Pro Comps on. I have noticed that when the trany shifts from third to forth at a cruising speed, it jerks into gear some times more than once. I was told that it might be related to the increase in tire size and that I need a programmer to change the shifting points. Is this true?
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Joined: Sep 2001
Posts: 30,255
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Hello- Welcome to FTE! I have moved your post to the specialized forum we have here for your question. Check out the list of tech forums we have here. There is a wealth of information and expertise here to help you. There are a number of links in my sig below to help you also. Have fun! 
