Clutch Recommendations - Vintage Mustang Forums
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post #1 of 17 (permalink) Old 12-06-2017, 12:30 AM Thread Starter
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Clutch Recommendations

Hey everyone.

For my winter project I'm planning on rebuilding my toploader and while I am at it, I was going to replace the clutch. Any recommendations on clutch kits? I currently have the stock 3 finger in there now. I've seen elsewhere on the forum the Centerforce or Ram diaphragm type clutches are another option that people like. Just wanted to get some input.

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post #2 of 17 (permalink) Old 12-06-2017, 12:38 AM
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Centerforce II.
If you decide to go racing and put a lot of horsepower into
the engine, I could see a Dual Friction as a goto.
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post #3 of 17 (permalink) Old 12-06-2017, 12:46 AM Thread Starter
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@GT289, I also still have the Z-bar setup for my clutch pedal and I know this is a weak part of the clutch linkage. Using the diaphragm type clutch, would there be any issues with the Z-bar bending or anything?

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post #4 of 17 (permalink) Old 12-06-2017, 08:08 AM
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Quote:
Originally Posted by bmcca7 View Post
@GT289, I also still have the Z-bar setup for my clutch pedal and I know this is a weak part of the clutch linkage. Using the diaphragm type clutch, would there be any issues with the Z-bar bending or anything?


No.

-Mark-

1966 Mustang 2+2

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post #5 of 17 (permalink) Old 12-06-2017, 08:35 AM
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I used the Centerforce I. It allows you to remove the underdash spring. Along with rollerizing the pedal & using heim joints at the Z-bar rod location ends, pedal effort is like my '06 Mustang GT. It's a great setup. Dean

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post #6 of 17 (permalink) Old 12-06-2017, 10:59 AM
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Quote:
Originally Posted by bmcca7 View Post
@GT289, I also still have the Z-bar setup for my clutch pedal and I know this is a weak part of the clutch linkage. Using the diaphragm type clutch, would there be any issues with the Z-bar bending or anything?
In that regard you shouldn't expect any issues with a Centerforce I or II.
You might need to beef up the linkage/z-bar for a Dual Friction.
That's what's in my '66 GT. (It's a lot of clutch)

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post #7 of 17 (permalink) Old 12-06-2017, 01:08 PM Thread Starter
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@66sprint200, are heim joints some higher durability replacement for the bushings on the Z-bar? I have the roller bearing kit so i plan on putting that in as well.

@GT289. Great to hear. Any difference between the Centerforce 1 and 2?

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post #8 of 17 (permalink) Old 12-06-2017, 02:40 PM
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Your stock set-up giving you trouble ? I run mostly the original, stock, assembly line stuff on my cars. I did switch to a 10" diaphragm in my 65, everything else is stock, and I find the performance to be just fine. My 428 uses the stock 11.5" three finger set up and performance is just fine. So...if it ain't broke. Brian

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Last edited by Brian Conway; 12-06-2017 at 03:04 PM.
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post #9 of 17 (permalink) Old 12-06-2017, 08:07 PM
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Quote:
Originally Posted by bmcca7 View Post
@66sprint200, are heim joints some higher durability replacement for the bushings on the Z-bar? I have the roller bearing kit so i plan on putting that in as well.

@GT289. Great to hear. Any difference between the Centerforce 1 and 2?
The I is basically a stocker diaphragm setup. The II is for folks with more
horsepower/torque concerns.
I hate the Long-style 3 finger setups. They work perfectly, when everything
is perfect but there is no tolerance for solid mounts, stuff that isn't perfectly
true and flat, friction material that isn't ideal, etc. A diaphragm PP makes
you look like a hero, basically.
I can't wait to get that POS Long off my '48 F-1 truck and get a diaphragm
for it..... modulating that clutch pedal (with no real horsepower) and lots
of stuff not quite perfect is a major PITA.

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post #10 of 17 (permalink) Old 12-06-2017, 08:26 PM
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As everyone is saying, the diaphragm clutches are more forgiving in many ways.

I used a Centerforce dual friction clutch n my '66 GT350 w/ vintage Paxton supercharger. I felt it was more clutch than I needed, with not enough range of engagement. So I put in a CenterForce I . It worked flawlessly, and even though I was making nearly 400 HP I never had any issues with it slipping. You may put in a CenterForce II, but I don't think it's really needed. I would stay away from the dual friction unles the car is a track car, and / or has 500 HP

Z
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post #11 of 17 (permalink) Old 12-06-2017, 09:01 PM
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I'm running essentially a OEM HiPo replacement RAM three finger clutch and pressure plate with a lighter than stock flywheel behind my 289 HiPo build with HiPo Z-Bar. Am very happy with the performance and feel of the clutch. Everything is adjusted exactly within shop manual specifications. The only upgrade in my setup is the Mustang Steve weld in roller bearing conversion for the clutch and brake pedals. I would highly recommend this upgrade regardless of clutch choice. I can depress the clutch with one hand.

Regards,
Patrick
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post #12 of 17 (permalink) Old 12-06-2017, 09:28 PM Thread Starter
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@Brian Conway, my clutch is getting to the end of its life so it will need a replacement sooner rather than later. So I figured why not.

Is there any advantage to having the 3 finger over the diaphragm, other than keeping it stock? Looks like it might be slightly cheaper, but thats about it from what I can tell. Also I'm guessing it is advisable to replace the throwout bearing while I'm doing this as well? And are there any special tools I should look at getting?

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post #13 of 17 (permalink) Old 12-06-2017, 09:56 PM
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About that throw out Bearing ? New to me and I just put one in my 69 428 Car. 'Angular contact release bearing' is an improved version of the older standard version. The diaphragm requires less foot pressure. Other than that I see no difference. The throw out bearing pictured is for my 428 and the one for you car will be different. Tools ? The usual stuff and because the car is usually on jack stands I use a floor jack to get the trans out and back in. Brian
Attached Images
File Type: jpg 69 Clutch 10-11-17 a.jpg (50.7 KB, 13 views)
File Type: jpg Ref. 69 Trans-Boot 2 - Copy.jpg (63.0 KB, 15 views)

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Last edited by Brian Conway; 12-06-2017 at 09:58 PM.
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post #14 of 17 (permalink) Old 12-07-2017, 09:15 PM
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I would also replace the pilot bushing in the crankshaft.


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post #15 of 17 (permalink) Old 12-08-2017, 12:28 AM
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Quote:
Originally Posted by bmcca7 View Post
@GT289, I also still have the Z-bar setup for my clutch pedal and I know this is a weak part of the clutch linkage. Using the diaphragm type clutch, would there be any issues with the Z-bar bending or anything?
"NO"! and especially "NO" if you go with a Barillaro system....it's HD, and well built. I've been running one for 6-7 years with a organic diaphragm clutch.
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File Type: jpg Barillaro Speed.jpg (96.4 KB, 9 views)

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Last edited by kenash; 12-08-2017 at 12:31 AM.
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