tranny swap
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Senior User
Joined: Oct 2002
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From: del city,oklahoma
tranny swap
hi all.
ill start off by saying you guys are an awsome help when it comes to this era of truck. most rpoblems ive had ive been able to get the answers here for my truck.here is what im working on.
79 f250,39.5 swampers, 89 model efi 460 yada yada yada . here is my predicament. ive recently mounted up a zf 6 speed out of a early 90s 1 ton in my truck and everything went together pretty smooth. i just have one problem.... i cant come up with any ideas on how to fab up a hydraulic clutch set up for this. any ideas would help on how to do this and also which assembly i should go with. thanks in advance guys
ill start off by saying you guys are an awsome help when it comes to this era of truck. most rpoblems ive had ive been able to get the answers here for my truck.here is what im working on.
79 f250,39.5 swampers, 89 model efi 460 yada yada yada . here is my predicament. ive recently mounted up a zf 6 speed out of a early 90s 1 ton in my truck and everything went together pretty smooth. i just have one problem.... i cant come up with any ideas on how to fab up a hydraulic clutch set up for this. any ideas would help on how to do this and also which assembly i should go with. thanks in advance guys
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Joined: Jul 2001
Posts: 1,613
Likes: 2
From: Gainesville, FL
tranny swap
Okie,
Did your ZF have a hydraulic clutch to start with?
I am guessing not.
Does the throwout arm go forward or back?
What is the stroke on the arm required?
What is the stroke on your existing slave cylinder?
Is it on the starter side of the motor or not?
Your motor/tranny bolts are the ideal place to bolt up your slave cylinder bracket.
Your clutch pedal should have pushed some linkage forward through the firewall. If so, this is a good start for mounting the clutch master cylinder.
Insure that there is no deflection in the firewall where you bolt the master cylinder up. If there is, you'll have to reinforce the fire wall. I would plan on that now.
Give me some feed back we'll go from there.
KingFisher
Did your ZF have a hydraulic clutch to start with?
I am guessing not.
Does the throwout arm go forward or back?
What is the stroke on the arm required?
What is the stroke on your existing slave cylinder?
Is it on the starter side of the motor or not?
Your motor/tranny bolts are the ideal place to bolt up your slave cylinder bracket.
Your clutch pedal should have pushed some linkage forward through the firewall. If so, this is a good start for mounting the clutch master cylinder.
Insure that there is no deflection in the firewall where you bolt the master cylinder up. If there is, you'll have to reinforce the fire wall. I would plan on that now.
Give me some feed back we'll go from there.
KingFisher
Laughing Gas
Joined: Nov 1999
Posts: 954
Likes: 2
From: 15 miles west of Venus
tranny swap
The ZF is hydraulic. The original was mechanical. I am going to be doing the same thing shortly on my '78 project.
It appears to me that what will have to happen is to take a clutch master and mount it inboard to the brake master. It is going to be tight to impossible to mount it where Ford does on the '80+ trucks. Theory right now is to take the lever on the pedal assembly, turn it 90*(vertical), figure out proper length, and either weld or run 1/4 plate between firewall and pedal assembly to use as a back mount for clutch slave.
I am probably 1-2 months from skinning this cat. It depends on how fast I build fences and barns.
It appears to me that what will have to happen is to take a clutch master and mount it inboard to the brake master. It is going to be tight to impossible to mount it where Ford does on the '80+ trucks. Theory right now is to take the lever on the pedal assembly, turn it 90*(vertical), figure out proper length, and either weld or run 1/4 plate between firewall and pedal assembly to use as a back mount for clutch slave.
I am probably 1-2 months from skinning this cat. It depends on how fast I build fences and barns.
Posting Guru
Joined: Jun 2000
Posts: 1,229
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tranny swap
kenmt posted the details for this swap.
https://www.ford-trucks.com/forums/s...threadid=44122
https://www.ford-trucks.com/forums/s...threadid=38984
https://www.ford-trucks.com/forums/s...threadid=44122
https://www.ford-trucks.com/forums/s...threadid=38984
Thread Starter
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Senior User
Joined: Oct 2002
Posts: 368
Likes: 0
From: del city,oklahoma
tranny swap
thanks guys it was a typo when i said 6 speed tho i meant 5 speed... i found those threads most helpful. i should have everything finished up pretty soon. when i do ill break the camerea out and take a few pictures
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