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ford o matic shift harshness

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Old Nov 17, 2020 | 04:28 PM
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ford o matic shift harshness

I have been fixing up a 67 f100 that i bought for my wife. trying to get all the roadworthy stuff done before i let her drive away with it. Any way the trany shifts pretty hard almost like a shift kit. my question is is it possible the vacuum module may be bad or is there a adjustment screw in that era trany. Not very familiar with that trany.
 
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Old Nov 17, 2020 | 07:11 PM
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Ford-O-Matic ??? shift harshness

Originally Posted by Renner68
I have been fixing up a 67 f100 that i bought for my wife. trying to get all the roadworthy stuff done before i let her drive away with it. Any way the trany shifts pretty hard almost like a shift kit. my question is is it possible the vacuum module may be bad or is there a adjustment screw in that era trany. Not very familiar with that trany.
No truck came with Ford-O-Matic after 1961. If your F100 has a 240 or 300 I-6, it has a C4. If it has a 352, it has MX Cruise-O-Matic.
 
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Old Nov 18, 2020 | 05:54 PM
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yeah thats what i meant cruise-o-matic. so can it be adjusted by vaccum modulator ?
 
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Old Nov 18, 2020 | 06:06 PM
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You can fiddle with the modulator with little risk.

Make sure it's connected and the line isn't busted somewhere.

And then post 8:

https://www.ford-trucks.com/forums/1...modulator.html

Note not all are adjustable.

 
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