Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
12-06-2004, 02:56 AM
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1969 Z/28 Clutch?
What is the size of a clutch for a 1969 Z/28 with M-21 trans? I *think* it is a 10.5 inch unit.
Which clutch is preferable -- Center Force or Ram? Thanks!
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#2
12-06-2004, 03:33 AM
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Re: 1969 Z/28 Clutch?
10.5" is correct as issued in 69 Z's with the 403 bell housing. If your looking for a good replacement, go to a hays clutch disk and pressure plate. They are far better than a C-Farce unit.
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1969 Documented Z/28 1968 Documented RS (Z/28 Clone)
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#3
12-06-2004, 06:28 AM
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Re: 1969 Z/28 Clutch?
I personaly do not like centre force clutches either, at least the dual friction style with the little weights on the fingers.
I build a lot of cars for people and have had numerous customers supply a Centre Force clutch. I have taken the weights off temporarily, and checked the balance of the press plate and have had them as far out as 24 grams. A lot of people run them with no trouble, but every time i have removed the trans at a later date the weights are off centre. I have had a Hays Gold Diahpram press plate in my Z for going on 25 years, and it has never given any trouble what so ever, even when i drag raced that car in the 70,s, and trust me it got abused! MaCleod also makes a good piece. Just my .25 worth.
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#5
12-07-2004, 03:18 PM
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Re: 1969 Z/28 Clutch?
I use the McLeod disc/PP exclusively after wiping many of the CF and Hays units. The dual friction McLeod disc is great for the street, easy engagement and mild pedal pressure with the diaphragm PP. I have one of their sintered iron discs on a car, and even that isn't too miserable on the street. Great tech support, too. No, I don't work for them.
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