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Old 05-16-2020, 04:19 PM   #1
vetnat
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Join Date: Jun 2015
Location: Moose Jaw, SK
Posts: 511
Question for Cpt Fab 60-62 brake booster bracket

Hey, installed the unit last year, so details in my head are fuzzy. Problem I am having is clutch is not disengaging fully, so won't go in to gear. Have not adjusted clutch fork / slave cylinder area either. Wondering if I have the pedal linkage installed correctly? If I recall, seems like linkage is adjusted "all the way out" just to get it installed, so no actual adjustment is available in the pedal linkage. Here are some photos. Clutch seems really "heavy" too.
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1961 GMC half ton, short step, Canadian model. Just starting work on it.
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Old 05-16-2020, 09:44 PM   #2
Captainfab
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Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
Re: Question for Cpt Fab 60-62 brake booster bracket

Yes that appears to be installed correctly. You apparently have had this for quite a while judging from some of the components. What are you using for a clutch slave cylinder? Is it the same as when you first bought the conversion from me? And what is the bore size of the clutch master? Did you purchase the clutch master from me?
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Old 05-17-2020, 02:22 AM   #3
vetnat
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Re: Question for Cpt Fab 60-62 brake booster bracket

Yes, its a 1" bore wilwood clutch master cylinder, that I purchased from you. Bought in 2015, installed in 2016. Truck has not been on the road yet, still working on brakes. Last summer (or summer before), I wanted to try putting it into gear and drive up onto the wheel chocks just a titch. Couldn't get to go into first, just grinding. Now getting around to working on that.
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Old 05-17-2020, 02:26 AM   #4
vetnat
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Re: Question for Cpt Fab 60-62 brake booster bracket

Could over tightening the bolts on the long spacer between the pedal and the push rod linkage (in upper right pic) make the clutch feel heavy?
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Old 05-17-2020, 09:52 PM   #5
Captainfab
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Re: Question for Cpt Fab 60-62 brake booster bracket

Is the clutch slave cylinder a new '60-'62 style slave? Tightening the standoff bolts should not affect movement as long as the heim joint is not bound up.
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Old 05-17-2020, 11:32 PM   #6
vetnat
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Join Date: Jun 2015
Location: Moose Jaw, SK
Posts: 511
Re: Question for Cpt Fab 60-62 brake booster bracket

Rebuilt the slave cylinder.
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