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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

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Old 03-09-2013, 12:47 PM
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A clutch fork pivot ball question

Greetings all, I recently have researched replacing my hydraulic master-slave assembly on my '86 with an earlier manually actuated clutch fork. I have acquired the necessary pedal-hanger-rod-bellcrank-stud from an earlier manual clutch "82" f150. I realize my clutch fork is somewhat different and I will procure a new one but I can't find the info on whether or not my clutch fork pivot ball (in the bell housing) is different from the one I now have.

I AM assuming that my present bell housing will accommodate the manual linkage clutch fork even though the current bell has a small mounting flange for the current slave which can ether be removed if in the way or will be ok as is.

If anyone has any knowledge or even the part numbers of the pivot ***** involved it would be a tremendous help. I can of course research this when it's apart but a little planning seems in order here.

Thanks a bunch for any input..
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Old 03-09-2013, 09:42 PM
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I can't answer that question. The parts catalog shows the clutch fork as part # 7515 but there were several different ones, as shown in this shot from the catalog.
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Old 03-09-2013, 10:36 PM
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Quote:
Originally Posted by Gary Lewis View Post
I can't answer that question. The parts catalog shows the clutch fork as part # 7515 but there were several different ones, as shown in this shot from the catalog.
Thanks for the answer and for the diagram. I imagine when I have the engine out (to replace the short block in a month or so), I'll be able to find out soon enuf then I suppose.

I'm going to look into that heims fitting option for the pedal assembly I have found..We'll let you know how that all works out.

Again, thanks
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Old 03-11-2013, 06:33 AM
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Illustration Section 75, Page 3 / Notice 7A535 (300 I-6) inner (engine side) equalizer bar pivot stud.

How can this be used w/a hydraulic clutch bellhousing, when there's no place to thread it in?
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Old 03-11-2013, 07:02 AM
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Quote:
Originally Posted by NumberDummy View Post
Illustration Section 75, Page 3 / Notice 7A535 (300 I-6) inner (engine side) equalizer bar pivot stud.

How can this be used w/a hydraulic clutch bellhousing, when there's no place to thread it in?
Good morning...

I haven't gotten a look inside the bell yet on my hydraulic clutch 86. Will I need a manuual clutch bell you're saying to use the EOTZ-7515-A fork?

It has been a little hard to peice together any info about this not seeing the different bell's up close. for me

Thanks for your input
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Old 03-11-2013, 07:18 AM
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It's not the fork you should be concerned with...just yet. The clutch equalizer (Z) bar rides on two pivots: Outer, located on the frame rail, inner (engine side) on the bellhousing.

This inner pivot (300 I-6) is a threaded stud, how will you thread it into to a hydraulic clutch bellhousing since there's no place for it?

Hopefully Gary or Chris (ctubutis-moderator of this forum) will scan/post the truck parts catalog pic, so you can see the whole enchilada in an exploded view.

And, if the parts you acquired came from a 1979 or older, they're not going to work, as FoMoCo changed the entire clutch mechanism in 1980.
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Old 03-11-2013, 07:33 AM
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Quote:
Originally Posted by NumberDummy View Post
It's not the fork you should be concerned with...just yet. The equalizer (Z) bar rides on two pivots: Outer, located on the frame rail, inner (engine side) on the bellhousing.

This inner pivot is a threaded stud, how will you thread it into to a hydraulic clutch bellhousing since there's no place for it?

Hopefully Gary or Chris (ctubutis-moderator of this forum) will scan/post the truck parts catalog pic, so you can see the whole enchilada in an exploded view.

And, if the parts you acquired came from a 1979 or older, they're not going to work, as FoMoCo changed the entire clutch mechanism in 1980.
Well, my block has the necessary hole for the ball stud, which I also have procured along with all of the stuff for the frame etc, including the rod, hanger, z-bar, frame support, etc, as mentioned in my OP..

I should say that Chris and Gary both have contributed info on this change on another post http://www.ford-trucks.com/forums/12...-hyd-one.html?

So, at this point I have what I need to do everything except use the older fork. (assuming this older pedal assembly from an 82 will install if need be)
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Old 03-11-2013, 08:19 AM
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Fine and dandy, except there's no parts catalog pic.

Ah yes, British cars, I've owned a few. The Brits used 4 bolts where 2 would suffice, cork gaskets that shrink, leaking fluids in the driveway and come with the Prince of Darkness, unloved Lucas electricals.
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Old 03-11-2013, 08:21 AM
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Just for completeness, I've attached the page Bill referred to.
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Old 03-11-2013, 08:36 AM
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Quote:
Originally Posted by NumberDummy View Post
Ah yes, British cars, I've owned a few. The Brits used 4 bolts where 2 would suffice, cork gaskets that shrink, leaking fluids in the driveway and come with the Prince of Darkness, unloved Lucas electricals.
I was a bit confused by this since nothing on this thread had hinted at Union Jack vehicles - until I got to Rovernut's post re the brake hose. I'll bet you intended to say that to him with Rover's being British.

Welcome back, Bill!
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Old 03-11-2013, 01:01 PM
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Thanks all for the input on this topic of clutch fork pivot sources. I suppose when i take the engine out I can get a picture of what I'm up against. I suppose finding an 80-83 manual clutch bell housing would be a good idea too if I run across one reasonable...

Have a fun day everyone.
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Old 12-15-2013, 10:59 AM
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Hey guys I have a related question to this.
I'm putting the original SROD back into my truck. I was given the transmission with a bucket of parts, so I'm not sure if it's all there or how it goes back together.

I have the same fork that was shown in the pictures, but have no idea what the spring retainer thing drawn is about. Am I missing something on my fork?

Also, it seems like the piece of metal covering the ball in the fork is what rides on the pivot in my bellhousing, but that doesn't seem right to me. Any advise with maybe a picture would be awesome.

Thanks guys,
Brandon
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Old 12-15-2013, 10:59 AM
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