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ZF 5-speed in a 79

 
  #1  
Old 12-27-2006, 01:50 PM
falconowner89
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ZF 5-speed in a 79

I have 79 F150 4X4 long box that I would like to fit with a 460/ZF combo. I have the 460 and I have a line on the ZF/transfer case combo.

What I need to know is if a crossmember exists for the transmission or if someone has come up with a way of fabricating one.

The transmission has a mechanical spedometer hook-up. I am assuming that I can get a speedo cable to work with the correct gear.

The transmission would come with the wiring harness. I don't really know if the harness serves any really purpose given that the truck would be a non-computer controlled truck.

Has anyone switched a late 70's ford truck over from a linkage style clutch set-up to a hydraulic set-up?

I don't know exactly what model transfer case it has attached to it at this point, but what would be the "ideal" transfer case to mount to the ZF if I had my choice?

Any help would be great.
 
  #2  
Old 12-28-2006, 03:58 PM
Strokerin
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You should be able to mount an NP205 to the ZF and use your current speedo cable, or, get one slightly longer.
 
  #3  
Old 12-28-2006, 09:25 PM
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Thumbs up Zf

Don't worry about the ZF's aluminum Tcase, Use your NP205! You only have to clearance grind the rear flange a little to allow the 205s shift rods to clear. NO BIG DEAL! That way you don't even have to mess with your driveshafts. I have installed one in a 1979 F150 supercab 4x4, works mint, I used a hydraulic clutch system but if you are using the stock 11" clutch, you should be fine with original linkage. You'll love the shifting, and RPM drop.
 
  #4  
Old 12-28-2006, 09:28 PM
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The following is a thread with good information regarding this swap:

https://www.ford-trucks.com/forums/4...rans-swap.html
 
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Old 12-31-2006, 12:02 PM
solidrunner
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Check out my gallery, I did this same swap. You're going to have to move the crossmember back a little bit, but the ZF trans mount bolts up to the '79 crossmember. For the speedo cable, I used my 205 case which the speedo is run off of. If you have any other questions, feel free to ask.

Chris
 
  #6  
Old 12-31-2006, 02:56 PM
Mr. Fixit
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solidrunner: that's a very nice ZF swap you did - thanks for the detailed photos in your gallery....

Forgive me for 'twisting' this thread but where did you get those LED light units you show installed in your tail lights - they look sensible & very good also!
Cheers.
 
  #7  
Old 01-02-2007, 12:27 AM
kenmt
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It's cool to see that these's still a link to that 5 speed ZF swap I did back then.The tranny's still working fine,but I still don't have my EFI 460 installed!
 
  #8  
Old 01-18-2007, 08:58 AM
samickguy15
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Has anbody swapped in the hydraulic clutch setup? I am converting from a C-6 to a 5-speed from a bronco.

Just found some info, but is it essentially an "easy bolt up"? I will have everything I need from a hydraulic clutch truck...
 

Last edited by samickguy15; 01-18-2007 at 09:01 AM. Reason: extra info
  #9  
Old 01-18-2007, 11:16 AM
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A bit of fab work for the hydraulic clutch. With the 460 it's easier to use mechanical I think. With the small block like me, I have no choice but to go hydraulic because of the concentric slave cylinder, but I won't be attempting that until this summer at the earliest.

solidrunner, is that a stock 4x4 crossmember? The 2wd crossmember is much different, and I'll probably need to fab one that looks like yours for my swap.
 
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Old 01-22-2007, 11:10 AM
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Originally Posted by loudfords
solidrunner, is that a stock 4x4 crossmember? The 2wd crossmember is much different, and I'll probably need to fab one that looks like yours for my swap.
Still wondering....
 
  #11  
Old 01-22-2007, 12:57 PM
samickguy15
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That's definately not a stock member. It's just a piece of box tubing, with either custom end plates or stock end plates cut to adapt. Looks to me like somebody had access to a CNC cutter of some sort.
 
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Old 01-23-2007, 11:08 AM
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I thought it was fabbed, but he talked about moving the stock xmember...
 
  #13  
Old 01-23-2007, 11:55 AM
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I believe what he was saying is that you can use the stock member, but it will have to be relocated. It appears to me that he just made an entirely new mount.
 
  #14  
Old 01-23-2007, 01:37 PM
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With a 2wd you definitely need a new xmember, the bottom flange on the frame starts to slope upwards right behind the xmember, you can't just move it towards the rear. It's either make a drop hanger like solid's, or put a jog in the middle of the stock xmember. Now that I think about it, a drop member would be a less favorable option on a 2wd. Thanks for your input samick.
 
  #15  
Old 01-24-2007, 11:56 AM
kenmt
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4 wd crossmember....

Rather than move the crossmember on my F150 4X4,I just cut a rectangular notch in it on the middle of the bottom to clear the tranny case.I still intend on boxing in the notch although it hasn't shown any sign of cracking around it.[This is on a four wheel drive application,no idea on a 2wd.]
 

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