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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

351w Transmission

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Old Nov 13, 2020 | 10:14 PM
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351w Transmission

About a year ago, I purchased a 1963 F100 that was restored many years ago (not exactly sure on the date). A 351w was placed in it along with an automatic transmission. I assumed it was a C4 or a C6. But after some research, I believe it may be a FMX. The pan has a near rectangular shape with 14 bolts. Would that be correct?

If so, what is everyone's thoughts on this setup?
 
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Old Nov 13, 2020 | 10:26 PM
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Don't know much about auto trans, Never owned one. But your truck is top shelf on what I like. Short box, visor, side pipes, buckets, Yellow and the list goes on. When your done with it let me know! One nice ride!
 
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Old Nov 13, 2020 | 10:38 PM
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Originally Posted by Christmas
Don't know much about auto trans, Never owned one. But your truck is top shelf on what I like. Short box, visor, side pipes, buckets, Yellow and the list goes on. When your done with it let me know! One nice ride!
Thank you for the kind words. I do like it, but may have to paint it at some point in the future.
 
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Old Nov 14, 2020 | 05:28 AM
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Good looking truck!
The FMX and MX are good transmissions but they aren't for high performance. They were most used behind 6 cylinder engines in trucks, but a lot of V8 cars used them. If it's working Ok drive it.
 
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Old Nov 14, 2020 | 06:44 AM
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Originally Posted by Crop Duster
Good looking truck!
The FMX and MX are good transmissions but they aren't for high performance. They were most used behind 6 cylinder engines in trucks, but a lot of V8 cars used them. If it's working Ok drive it.
That’s my plan. Thank you!
 
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Old Nov 14, 2020 | 06:51 AM
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That roof visor must have taken a lot of work, really nice. Got more pictures of the rest of your truck?
EDIT: Is the frame RED?
 
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Old Nov 14, 2020 | 07:59 AM
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Originally Posted by robertrpeak
That roof visor must have taken a lot of work, really nice. Got more pictures of the rest of your truck?
EDIT: Is the frame RED?
Yes I do, I’ll post them.

Yes, it’s red.
 
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Old Nov 14, 2020 | 08:09 AM
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Old Nov 14, 2020 | 09:10 AM
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Looks good. I've been looking at different ideas about headers and the ones you have came up, how do they sound?
 
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Old Nov 14, 2020 | 09:27 AM
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Originally Posted by robertrpeak
Looks good. I've been looking at different ideas about headers and the ones you have came up, how do they sound?
Aggressive, but not obnoxious. I wouldn’t go louder though.
 
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Old Nov 14, 2020 | 10:45 PM
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14 bolt near rectangle looks like FMX:



http://www.fordification.com/tech/im...-transID07.gif
 
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Old Nov 15, 2020 | 11:42 AM
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I believe all the C-6 and C-4's are aluminum case, and the FMX is cast iron.
 
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Old Nov 15, 2020 | 11:15 PM
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Originally Posted by EricJ
I believe all the C-6 and C-4's are aluminum case, and the FMX is cast iron.
You are right.

C6, all aluminum, one piece.

C4 aluminum case with separate bell

FMX iron case with separate bell.
 
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