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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

transmission conversion info

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Old Feb 27, 2002 | 01:19 AM
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transmission conversion info

I'm thinking of converting my 67 F100 2WD 390 FMX to a 4 speed manual tranny. What issues would come up? What would be a good choice for a 4-speed? I'm thinking probably a NP435.. would that bolt up to a 390? Will I need to cut out the tranny tunnel and replace it with one from a truck that came with the NP435 originally?

Greg

 
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Old Feb 27, 2002 | 05:53 AM
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transmission conversion info

Greg, It is a lot easier to go the other way, st drv. to auto. First you will need a donor truck close by to harvest all the parts and have some idea of how they go. There should be plenty of the trucks with 352s, 360s, & 390s and that tranny to choose from. You will just have to cut a hole in the floor for the shifter.

I would leave it auto, but tis your truck.
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Old Mar 29, 2002 | 10:11 AM
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did you end up converting your truck from automatic tranny to standard?
if you did and still have the auto tranny,
i would be interested in purchasing it if it is in good shape.

matthew
 
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Old Mar 29, 2002 | 12:02 PM
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transmission conversion info

Matthew, send me an email to my address below, I can help you.
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In the cool still quiet of night, you can hear chevies rusting away.
 
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Old Mar 29, 2002 | 03:07 PM
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transmission conversion info

 
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