i agree the newer vehicles in general all look the same, and are rather expensive to change at all. where as these trucks are pretty easy to work on and rather cheap. my wife-2-b has a 3000gt that needs a new transmission because she blew it racing... thats gonna cost us 2-3 grand that we just dont have. if i blew mine i would need what 500$? could do most of the labor myself... i absloutely LOVE my ford...

 

How to you get that crossmember out ? I am try to take mine out of 1981 ford f-100 and dont understand how it comes out.That is a nice ford you have mine is the same color has yours was before your rebuild.

 

LOL, OK Dirtballer, Your trans cross member should unbolt, and should consist of three pieces, on some of the newer trucks the top parts of the cross member may be riveted to the top of the frame on the inside of the "C" frame, and you may need to drill them out. Hope this helps.

 

hijackedLOL, OK Dirtballer, Your trans cross member should unbolt, and should consist of three pieces, on some of the newer trucks the top parts of the cross member may be riveted to the top of the frame on the inside of the "C" frame, and you may need to drill them out. Hope this helps.[/quote]
The problem is that crossmember sits on the inside frame rails i cant get it out sideways because it sits flush with the frame rails on the inside.
[IMG]<a href="http://s302.photobucket.com/albums/nn102/Burritts/Misc%20Pics/?action=view&current=IMG_1163.jpg" target="_blank"><img src="http://i302.photobucket.com/albums/nn102/Burritts/Misc%20Pics/IMG_1163.jpg" border="0" alt="Photobucket"></a>[/IMG]

 

I'm pretty sure the AFR headed stroker 351 I have planned will be pushing that torque rating.

Wide ratio for crawling... close ratio for economy?

Which would be better suited for a mostly street driven lifted bronco with 35's and 4:56 gears??

Somebody else asked this; how do you identify a wide ratio zf at the junkyard??

Also, are there s5-47 ZFs that bolt up to 351w or is that a BB/Diesel only trans??

 

I'm not sure if yours is like mine in the picture above, but it helps to loosen the bolts on the upper mounts. Most of the time I have them on a lift at work and I just slip a prybar under the upper mount and pry up until it clears the crossmember on the right side, then whack it toward the rear a few times with the BFH until it slips out.

 

Damn, I forgot to mention. I found a 1988 6.9L Diesel truck on craigslist that had a 5 speed. The truck needed a few things(clutch, starter,etc). It was being sold for 500 bucks, probably could have talked him down. I think this is the way I will go to get my ZF.

Just to make sure, the 460 and the Diesel ZF bellhousings are the same correct?

 

the diesel is different from the 460

 

Yeah, the only ZF that will fit a 460 has to come from behind another 460.

 

Here's a pretty serious engine, and it has 445 ft/lbs of torque. So it still falls in the range of this tranny's capability.
World Products 102041 - World Products 375 C.I.D. 455 HP Ford Man O'War Blocks - summitracing.com

 

Yeah I might be looking at 450-470lb ft fuel injected with reasonable compression, that pushes the envelope of even the s5-47. I still can't figure out whether or not the s5-47's ever came behind 351w motors.

Anybody on the wide vs close ratio question??

 

This should be made into a sticky for everyone who wants to do this same thing.

 

I'm planning to do the 460 zf swap. Will the zf bellhousing bolt pattern match that on a 73 f350.

 

It depends on what engine you have. 300, 302, 351 have same bellhousing, 460 is by itself, as is the diesel.

EDIT: just noticed you said your putting in a 460, as long as the zf comes from a 460 it should work. Keep in mind you may need to move the trans crossmember, and the zf is hydraulic, vs mechanical in your truck.

 

Ok, so I have been researching this swap for a few months now while I was looking for a tranny, and just want to make sure I have it all right before I tear into it. So, if some of you that have done this swap could check my info, and let me know if I am on the right track I would appreciate it.

My truck is an '86 F250HD Extra-Cab 4x4, with a 460, T-19, and hydraulic clutch. I have found a tranny from a '87 F350 4x4, 460, 5 speed. (for a $100 , yes it works, I have even driven the truck) I am getting the tranny, flywheel, clutch, and crossmember from the donor truck.

Crossmember: Have found some people reuse the old crossmember by drilling two new holes, some say you have to use the one that the 5 speed was mounted to.....is this just a truck by truck basis? Or is it just easier to use the one from the donor truck?

Slave Cylinder: Everything I have read says I can use the current slave cylinder from my truck, and that it will bolt to the ZF tranny, and have the proper stroke to operate the clutch correctly.

Transfer case: All the info I have found shows the mounting holes and input shaft diameter/splines were the same on the T-case/adapter for my truck up thru '97 for the F250/F350, so the new tranny should go with my current T-case with no issues. Also heard the T-case shifter should bolt to the new transmission and function with no issues.

Clutch/Flywheel: Little confused here. I have searched online, called a few autoparts stores, and talked to a local Ford dealer, and have been told by all the '86 T-19 I have and the '87 ZF I am swapping to use the same clutch. Part numbers are the same, shaft diameter and spline counts are the same, yet some of the guys doing the swap say you must use the ZF clutch as it is different splines. Many guys also say you need to swap flywheels, since the clutch for the ZF uses different mounting hole spacing on the flywheel.........but again, when calling around and searching the web, the flywheel for the '86 with the T-19 and the '87 with the ZF are the same part numbers, and same dimensions. So, any light you could shed on this would be appreciated.

Driveshafts: Have found most people have no issues with the front driveshaft after the swap, but the rear will most likely need to be shortened if not a standard cab truck. Since my Extra-Cab has the two piece rear driveline with the carrier bearing, most of the write ups I have seen say I will need to shorten the rear 2-3".

Sheetmetal: Looks like the 5 speed should fit the cab floor fine, but may need to work the area around the shifter with a few strategic taps with a BFH, as the ZF will sit a bit taller then the T-19 at the top of the tranny.

Am I missing anything, or have the wrong info with any of the above? Any tips or tricks not already posted in this thread you could share?
Thanks for any info, its greatly appreciated.