Re: Heim joint hand built clutch release rod
[Re: Moparnut426]
#2680860
07/24/19 10:37 AM
07/24/19 10:37 AM
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Joined: Jan 2003
Posts: 10,049 MN
JERICOGTX
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,049
MN
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I did mine the same way about 20 years ago. Works well.
69 GTX
68 Road Runner
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Re: Heim joint hand built clutch release rod
[Re: Moparnut426]
#2680887
07/24/19 11:56 AM
07/24/19 11:56 AM
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Joined: Sep 2007
Posts: 1,894 Spahn Ranch
RMCHRGR
top fuel
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top fuel
Joined: Sep 2007
Posts: 1,894
Spahn Ranch
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Just curious if there would be any interest in my custom Z-bar and clutch release rods I make. I’ve made several sets and they work great! Less sloppy, and a smoother feel when releasing the clutch. I would be interested in one. I'm using an American Powertrain hydraulic throwout bearing kit on my 68 Coronet which comes with a generic threaded rod, heim joint and coupler arrangement to actuate the master cylinder. See pic. Unfortunately, the eyelet on the supplied rod end is too small and does not fit over the factory clutch rod pin on the pedal. Looked around for a different rod end but was having a tough time finding an eyelet big enough to fit over the pin and couple to the smaller rod. It would take a series of adapters which are not easy to find.The rod gets threaded into the master coupler on the firewall which I believe is 5/16-24. As you can see in the pic, they supply a shouldered bolt to attach the eyelet to the pedal but I'd rather not drill the pedal. I also want to use the factory pin to maintain a somewhat correct pedal ratio.
'71 Duster '72 Challenger '17 Ram 1500
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Re: Heim joint hand built clutch release rod
[Re: RMCHRGR]
#2680894
07/24/19 12:33 PM
07/24/19 12:33 PM
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Joined: Mar 2007
Posts: 12,013 Finally a HUSKER again
Moparnut426
OP
I Live Here
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OP
I Live Here
Joined: Mar 2007
Posts: 12,013
Finally a HUSKER again
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Just curious if there would be any interest in my custom Z-bar and clutch release rods I make. I’ve made several sets and they work great! Less sloppy, and a smoother feel when releasing the clutch. I would be interested in one. I'm using an American Powertrain hydraulic throwout bearing kit on my 68 Coronet which comes with a generic threaded rod, heim joint and coupler arrangement to actuate the master cylinder. See pic. Unfortunately, the eyelet on the supplied rod end is too small and does not fit over the factory clutch rod pin on the pedal. Looked around for a different rod end but was having a tough time finding an eyelet big enough to fit over the pin and couple to the smaller rod. It would take a series of adapters which are not easy to find.The rod gets threaded into the master coupler on the firewall which I believe is 5/16-24. As you can see in the pic, they supply a shouldered bolt to attach the eyelet to the pedal but I'd rather not drill the pedal. I also want to use the factory pin to maintain a somewhat correct pedal ratio. If your using a hydraulic system you wont need the pushrod unless you still use the factory z bar assy and the factory z bar just pushes a slave cylinder. I can make one for you. You just have to knock the factory lug off the clutch pedal assembly, drill to 3/8, and do the same on the Z bar and drill to 3/8. Then Ill need a length to make the rod from the clutch pedal to the Z bar.
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Re: Heim joint hand built clutch release rod
[Re: Moparnut426]
#2680897
07/24/19 12:37 PM
07/24/19 12:37 PM
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Joined: Oct 2007
Posts: 4,212 New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,212
New York
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Very nice. A Heim joint provides some misalignment, but how it handles this differs based on tension or compression. In tension it tries to become shorter by making a right angle (or as close as possible). In compression it's the opposite, the end will always move to the farthest point of lateral travel on both ends (making a "Z"), so try to align it as close to 90 degrees as possible.
Boffin Emeritus
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Re: Heim joint hand built clutch release rod
[Re: Moparnut426]
#2680916
07/24/19 01:53 PM
07/24/19 01:53 PM
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Joined: Sep 2007
Posts: 1,894 Spahn Ranch
RMCHRGR
top fuel
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top fuel
Joined: Sep 2007
Posts: 1,894
Spahn Ranch
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If your using a hydraulic system you wont need the pushrod. Yes, that's partially true with the hyd. T.O.B. since there's no longer any fork involved but I still need something from the pedal to the master cylinder. Unfortunately though If I have to get rid of the factory clutch rod pin and drill a hole in the pedal to use your setup, (which is what i was trying to avoid) I might as well use what I have since I have to do that already to make it work. Yours looks better than whats in the kit for sure though! Sorry for the confusion.
Last edited by RMCHRGR; 07/24/19 02:01 PM. Reason: Misunderstood initial reply, didn't want to sound like a jerk!
'71 Duster '72 Challenger '17 Ram 1500
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Re: Heim joint hand built clutch release rod
[Re: RMCHRGR]
#2680970
07/24/19 04:24 PM
07/24/19 04:24 PM
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Joined: Mar 2007
Posts: 12,013 Finally a HUSKER again
Moparnut426
OP
I Live Here
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OP
I Live Here
Joined: Mar 2007
Posts: 12,013
Finally a HUSKER again
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If your using a hydraulic system you wont need the pushrod. Yes, that's partially true with the hyd. T.O.B. since there's no longer any fork involved but I still need something from the pedal to the master cylinder. Unfortunately though If I have to get rid of the factory clutch rod pin and drill a hole in the pedal to use your setup, (which is what i was trying to avoid) I might as well use what I have since I have to do that already to make it work. Yours looks better than whats in the kit for sure though! Sorry for the confusion. After you sand the nubbin on the oposite side of the lug on both the Z bar, and the Clutch pedal then that lug knocks through with a punch and a few whacks. the hole is only like 5/16 ish, so the 3/8 drill is required as the 5/16 heim stuff is really puny.
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Re: Heim joint hand built clutch release rod
[Re: Moparnut426]
#2681007
07/24/19 06:37 PM
07/24/19 06:37 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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What you need to finish the job is a couple of dust cups that can be ordered with the heims.. I put them on the 2 cars that I had with a stick shift... keeps it clean for years
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Re: Heim joint hand built clutch release rod
[Re: Moparnut426]
#2687813
08/14/19 07:55 PM
08/14/19 07:55 PM
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Joined: Dec 2009
Posts: 339 Gilroy,CA.
mopardude318
enthusiast
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enthusiast
Joined: Dec 2009
Posts: 339
Gilroy,CA.
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Moparnut, what is the material you make them out of, aluminum, stainless, mild steel? I may have a request to make one to replace what I have here, for my hydraulic clutch: This is a 6" aluminum adjusting sleeve I got from McMaster with 5/16-24 thread, but I prefer something a little more robust. I still have to stay with the 5/16-24 thread though because that is what comes off the slave cylinder. So steel or stainless tubing might be better. The adjusting sleeve has to be about 7"
408 Stroker 533 HP 520 FT LBS...........................1970 Dart RMS AlterKation
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Re: Heim joint hand built clutch release rod
[Re: Moparnut426]
#2688006
08/15/19 12:24 PM
08/15/19 12:24 PM
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Joined: Mar 2007
Posts: 3,287 West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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I didn't want to cut off the factory lug to install the rod to the American Powertrain hydraulic clutch, so I simply drilled a hole in the pedal arm 4 inches down from the piviot point. That gave me the correct pedal ratio and now my clutch pedal is the same height as the brake pedal for the first time in nearly 50 years.
I didn't want to drill an new holes in my floor board where the master cylinder bolts on, but I did have to drill one new hole to get it to mount securely.
I used grade 8 hardware to mock up and get the correct dimensions on the rod. It allows for both overall length adjustment as well as a travel stop adjustment so the master cylinder won't get over stroked. I was going to make a solid spacer to replace the washers and use a solid rod with adjustable ends like you built, but I just haven't messed with it because it is so solid and works as intended.
It looks a little Rube Goldberg'ish, but it's hidden up under the dash, so no one see's it but me.
By the way, the hydraulic throw out set-up provides the best clutch feel and modulation that this car has ever had.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's 1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Heim joint hand built clutch release rod
[Re: Cape]
#3191302
11/16/23 06:25 AM
11/16/23 06:25 AM
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Joined: Mar 2003
Posts: 9,100 Rogue River, OR
Jeremiah
master
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master
Joined: Mar 2003
Posts: 9,100
Rogue River, OR
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Mcmaster.com has everything you need. I use 7/16" rod with threaded ends for the clutch pedal and 3/8-24 grade 8l all thread for the torque shaft to clutch fork.
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Re: Heim joint hand built clutch release rod
[Re: Cape]
#3191575
11/17/23 11:20 AM
11/17/23 11:20 AM
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Joined: Mar 2007
Posts: 3,287 West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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I know it’s an old thread, just wondering if this guy still makes them. Thanks I have since made a similar rod for the brake system I installed on a '57 Dodge D100 chassis that's fitted on a shortened 1991 Dodge Dakota frame. The rods are very strong when using high quality components.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's 1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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