Automatic conversion 292
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Senior User
Joined: Jul 2020
Posts: 194
Likes: 9
From: Florida
Automatic conversion 292
I posted this question in the transmission section, maybe it’ll gather some replies here. I’d really like to put an automatic behind my
1964 F100 , 292- 3 on the tree, short bed.
I have tried searching but came up empty on this topic.
I want to buy the flat o automatic conversion set up for my truck to install a C-4 . Any reviews, tips, comments on doing this?
is it a bolt on as I understand it or is there mods/welding/fabrication that still needs to be done? I also assume I need to have a driveshaft
made? What about a transmission cross member?
Just some quick calculations and it seams like an expensive project.
other options?
Thank You!
1964 F100 , 292- 3 on the tree, short bed.
I have tried searching but came up empty on this topic.
I want to buy the flat o automatic conversion set up for my truck to install a C-4 . Any reviews, tips, comments on doing this?
is it a bolt on as I understand it or is there mods/welding/fabrication that still needs to be done? I also assume I need to have a driveshaft
made? What about a transmission cross member?
Just some quick calculations and it seams like an expensive project.
other options?
Thank You!
Logistics Pro
Joined: May 2015
Posts: 4,474
Likes: 971
From: Tri Cities, TN
I looked a Flat-O-Matic and it comes up with flathead kits. That is going to be really expensive if that stuff will actually work on a "Y" block. Because you still have to buy a transmission, converter, flexplate, drive shaft and a shifter plus figure out a cooler. It would probably be cheaper and easier to either swap in an engine and transmission from a newer vehicle or sell your truck and buy one that has what you want. If it were mine I'd just keep grinding gears.
Lead Gopher
Joined: Aug 2012
Posts: 10,066
Likes: 1,616
From: Seattle
Look at this one here. Not a great web site for finding things, but I googled and it had a link to this one.
The Y-Block (flat-o.com)
The instructions on that same page seem to imply the truck adapter isn't yet available so the information and 1999 Copyright seem a bit dated. Hopefully they are still in business.
The Y-Block (flat-o.com)
The instructions on that same page seem to imply the truck adapter isn't yet available so the information and 1999 Copyright seem a bit dated. Hopefully they are still in business.
Fleet Mechanic
Joined: Jan 2014
Posts: 1,558
Likes: 292
From: Billings Montana
I know a man that put in an Ford automatic with an overdrive though he said C4 but did that come with an overdrive? Anyway he bought an adaptor for a 292 and made it work. I will ask him where he got it from.
Tuned
Joined: Sep 2014
Posts: 296
Likes: 26
From: Tyngsboro, MA
I posted this question in the transmission section, maybe it’ll gather some replies here. I’d really like to put an automatic behind my
1964 F100 , 292- 3 on the tree, short bed.
I have tried searching but came up empty on this topic.
I want to buy the flat o automatic conversion set up for my truck to install a C-4 . Any reviews, tips, comments on doing this?
is it a bolt on as I understand it or is there mods/welding/fabrication that still needs to be done? I also assume I need to have a driveshaft
made? What about a transmission cross member?
Just some quick calculations and it seams like an expensive project.
other options?
Thank You!
1964 F100 , 292- 3 on the tree, short bed.
I have tried searching but came up empty on this topic.
I want to buy the flat o automatic conversion set up for my truck to install a C-4 . Any reviews, tips, comments on doing this?
is it a bolt on as I understand it or is there mods/welding/fabrication that still needs to be done? I also assume I need to have a driveshaft
made? What about a transmission cross member?
Just some quick calculations and it seams like an expensive project.
other options?
Thank You!
The Kit will include
¨ Custom Bell Housing
¨ Flywheel
¨ Flywheel Spacer
¨ Pilot Bushing
¨ Special Starter Drive
¨ All the Nuts and Bolts Needed
¨ InstructionsAgain not a cheap mod but very easy kit to install.
Fleet Mechanic
Joined: Jan 2014
Posts: 1,558
Likes: 292
From: Billings Montana
Mountain Pass
Joined: Jan 2003
Posts: 131
Likes: 22
From: Vernon, Arizona
Keep an eye on your final gear ratios as well. That rear end ratio may need to be changed in order to be happy with the top speed. Another potential cost to consider. The AOD or AODE would help with it being an overdrive tranny. I stuffed a 400 with a C6 into a old '60 f100 without changing out the rear, it could beat a stock Camaro to the next stop light, but would only do about 50 mph on the highway. (I was 17 when I did this 
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Fleet Mechanic
Joined: Jan 2014
Posts: 1,558
Likes: 292
From: Billings Montana
Keep an eye on your final gear ratios as well. That rear end ratio may need to be changed in order to be happy with the top speed. Another potential cost to consider. The AOD or AODE would help with it being an overdrive tranny. I stuffed a 400 with a C6 into a old '60 f100 without changing out the rear, it could beat a stock Camaro to the next stop light, but would only do about 50 mph on the highway. (I was 17 when I did this )
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Tuned
Joined: Oct 2018
Posts: 368
Likes: 6
There are some newer (post 1990) transmissions that have an OD ratio for top, but are not called "overdrive". Nothing I'd consider for one of our trucks, though.
Senior User
Joined: Sep 2012
Posts: 157
Likes: 0
From: I live in no. ca.
I just completed the flat -O install with a C4. The kit for the F100 cost about $800. It fits like a glove, easy install. I replaced a A/T that had a habit of jumping out of park into reverse. not a good thing. My 64' is a long bed so I had to have a shaft made. you should replace the engine mounts at the same time, you will need a starter from a FE that you modify with a drive furnished in the kit. and a good 11" converter. I used a Lokar floor shifter that works well. good luck.
4800.
4800.
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