Manual to automatic conversion
#1
Manual to automatic conversion
Hello, I’m looking for some feedback and/or advice. I have a 1972 F350 that has the 4 speed manual transmission. I’d love to convert the truck to an automatic for ease of driving. Has anyone done this? Is it simple? Costly? What do I need to do?? Thanks in advance for any input.
#3
A column, a C6, and some time. Likely have to modify the driveshaft in some manner. Not that big of a deal, easier then putting a stick in it. You can leave the clutch pedal in it(or not). The rest just bolts in, the transmission crossmember can just slide and redrill to fit(I've done that putting a stick in them).
The only real issue might be the crossmember under the bellhousing. My '69 was removable to ease getting the bellhousing of the C6 in/out. My '70 stick truck did not come out. You just need to cut the rivets and replace with bolts.
The only real issue might be the crossmember under the bellhousing. My '69 was removable to ease getting the bellhousing of the C6 in/out. My '70 stick truck did not come out. You just need to cut the rivets and replace with bolts.
#4
Join Date: Mar 2010
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Hello, I’m looking for some feedback and/or advice. I have a 1972 F350 that has the 4 speed manual transmission. I’d love to convert the truck to an automatic for ease of driving. Has anyone done this? Is it simple? Costly? What do I need to do?? Thanks in advance for any input.
#6
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There's also a provision for an alternate placement of the Reverse Switch.
Even though this is for a 1970, it should be close enough for 1972, at least for that part. The 1972 diagram isn't particularly informative about what plugs into the connectors it shows.
So even without a NSSwitch on the transmission being removed, it's still something to cope with when the automatic transmission is installed.
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#10
Off the top of my head....
- Compatible C-6 transmission
- Flex plate access cover
- C-6 dipstick & tube
- Flex plate
- Starter?
- Torque converter
- Driveshaft .. only the front shaft (intermediate shaft) is needed as it will need to be the longer auto trans version.
- Speedo gear & cable
- Transmission kickdown linkage
- Transmission cooler lines
- Vacuum fittings & hose on intake manifold (for modulator)
- Steering column for auto trans. Get a tilt column from a Dentside!!
- Steering column's shift linkages
- Steering column plate at firewall
- Pedal linkage assembly for an auto trans truck (or remove/cut off the clutch pedal arm
- Wide brake pedal pad
- Neutral start switch (IIRC manual trans trucks have bridged plug)
#13
A local driveshaft company can make a driveshaft longer or shorter. To shorten one they cut one end off the driveshaft. Cut the tube the required amount. Weld the end back on. Then rebalance it. To lengthen it they cut both ends off and weld them to a new and longer tube. Then balance it..
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