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im not sure on the wiring end of it but everything under the dash is an easy swap. just hit the local junk yard, pulld the pedal assembly (making sure to take all the bolts) and its all bolt in. dont forget the plate that covers the hole for the master cylinder. i want to say the truck is probably already wired for either trans but, as always, dont take any wiring advice from me. you could always put a c4 or c6 (not recommended) and just jump the nuetral saftey wires.
you're also going to need a radiator from an auto truck
Originally Posted by opinyawn
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I pretty sure you will need a computer as well. Save all your old stuff, someone doing an auto to manual swap will buy it im sure. You should be able to take the pieces to cover the hole in the floor and firewall out of the auto truck. The trans tunnel bolts right in. You might not need a radiator out of the auto truck but you will at least need a cooler and some cooler lines. If you tow anything with the truck I would suggest the oem cooler in the radiator and an aux cooler in front of the radiator.
sold all my trucks and bought a jeep...
by far, the easiest way to do it is buying a parts truck. it will also be the cheapest in the long run. you should be able to find something for under $1000. use what you need, part it out on craigslist and scrap the rest. depending on what youre able to sell and scraap prices in your area, you may even get paid to convert it. then, as a token of appreciation for me giving you this awesome advice, you can send me the radius arm brackets off the parts truck! muhahaha
The two top holes on the transmission bell-housing and rear two top holes of
the 4.9L, 5.0L, and 5.8L (351W & 351C) measure 5 1/8" Center to Center.
I know someone else already said this;
You may want to purchase another F-150 with a 5.0L with a good automatic transmission,
because you will need many F-150 parts to complete the swap.
NOTE: If the Automatic Transmission is an ELECTRONIC Transmission you will
also need the F-150 computer from that truck and perhaps the wiring harness.
It will depend on the year of the donor F-150 transmission if you will
need to change the wiring harness or not.
The C6 3-speed automatic is the best automatic transmission,
it's Ford's older Heavy-Duty Automatic that dates back to the late 1960's, but it does not have an over-drive and gas mileage will suffer.
The Computer does not control the shifting or shift points of the C6 transmission.
Vacuum from the engine controls the shift points with the help of a vacuum modulator
attached to the side of it.
The C4 3-speed automatic is a light duty transmission and is not recommended.
Major parts you will need for the swap: Automatic Transmission
The automatic transmission Cross-member Mount
The Drive-Shaft from the automatic truck or...
Transmission Cooler Lines (Both)
Radiator from the automatic F-150 (You need an Automatic F-150 Radiator)
The Steering Column from the automatic F-150
The wide Automatic Brake Pedal
The shift linkage or cable from the transmission to the steering column
The down-shift linkage from the transmission to the rear of the engine, this depends on the transmission.
Your Instrument Cluster may have to be changed because of the P R N D 2 1
indicator not being there on your manual transmission instrument cluster. I'm not sure about this one...
Of course the Flex-Plate from a 5.0L or 5.8L engine can be used,
but if the transmission is behind a 4.9L engine, you cannot use the the I6 / 4.9L Flex-Plate on the V-8 engine.
Regardless of what anyone says; a Ford 4.9L Flex-Plate and/or Flywheel should
never be installed on a V-8 engine because the V-8 will VIBRATE above 1500 RPM.
(The 4.9L is internally balanced and the 5.0L and 5.8L are externally balanced engines)
The Starter from your manual transmission will not mesh correctly
on the automatic transmission's flex-plate ring-gear teeth.
If the automatic F-150 is a different wheelbase than your F-150,
the drive-shaft will not fit; but you already know that.
You need to remember the year model of the automatic F-150 for future parts reference.
Also, while you have the transmission out of your truck,
this would be a good time to replace the Rear Main Seal on your engine, unless you know it has already been replaced recently.
See scanned document below about how to identify Ford Transmissions.
Hope this helps and good luck!
Last edited by 1987 F-150 XLT 4x4; 12-23-2010 at 08:04 PM.
Reason: Scanned transmission document
if you read all the steps, and things that need to be replaced...it is not terribly difficult, but it is a huge job. Fixing you truck is one-tenth of the job, at most (1/10).
Now, on teaching your wife to drive you truck...have a friend, or better yet, one of her friends teach her. It can be done in a week-end. But, if you teach her, she (if she is like my wife) won't like you for awhile.
I taught all of my girls how to drive on "Ole Grey"...my '76 Chevy PU w/a truck 4-speed. They can now drive anything and don't think twice about driving a Suburban or full sized van. Now, they both have a stick shift car, and prefer it.