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Old 01-29-2023, 01:59 PM   #1
Haybag
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Join Date: Aug 2012
Location: New Boston, New Hampshire
Posts: 35
1972 K20 hydraulic clutch conversion

Putting a 5.3 in a 72 K20 with a sm465 4spd. I know I need to convert to hydraulic clutch to eliminate the z bar linkage. At one point I had read you could us Advance Aadapters bracket #715535 on the original cast bell housing, but can't seem to find this info again to confirm before I start purchasing parts. Anyone that has done this that can chime in?
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Old 01-30-2023, 07:04 PM   #2
72cs20
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Re: 1972 K20 hydraulic clutch conversion

Yes, you can do this. I did this with my 66 K20 down in sig below. The part number you want is 716287.
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Old 01-31-2023, 11:30 AM   #3
Haybag
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Re: 1972 K20 hydraulic clutch conversion

Ok, thank you. What slave cylinder did you use with it?
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Old 01-31-2023, 02:58 PM   #4
72cs20
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Re: 1972 K20 hydraulic clutch conversion

Here is the whole setup that I used -

https://www.summitracing.com/parts/add-716287

https://www.summitracing.com/parts/add-716116

https://www.summitracing.com/parts/wil-260-6766
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1966 K20 flatbed build thread - http://www.67-72chevytrucks.com/vboa...d.php?t=768827
62 C20 build thread - http://67-72chevytrucks.com/vboard/s...d.php?t=703583
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Old 01-31-2023, 05:30 PM   #5
Haybag
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Re: 1972 K20 hydraulic clutch conversion

Thank you, appreciate the info!
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