I will be staying with the 3 long finger style clutch setup. But don't know what company to go with or what will hold up good. I have a 65 mustang with a347 motor making 457hp and 444tq.Thats gonna be mounted to a 68 4 speed toploader with the original mechanical linkage. I need to style with the old style clutch because i am staying with the old style pedal linkage. What would be a good clutch kit to go with?? Car will not be drag raced just a street car that I will lay into when I get the chance! Thanks

 

You canchange to a diaphragm clutch without changing the clutch linkage itself. The only thing you would need to is remove the over-center spring under the dash, which isn't terribly difficult.

I have a TRW diaphragm clutch behind my 331 and it works ok. It's much easier tofeather inand it has a softer pedal than the original long-style clutch so my knee doesn't hate me in stop and go traffic.

However, it doesn't grab like my original long-style clutch did.The factory clutch didn't slip anywhere near as much as this one does. When I swap clutches again I'm probably going to go to a long-style Boss 302 clutch for the extra grip. I know Glazier's Mustang Barn sells them, but I'm sure a couple other Mustang parts places do as well.

 

I want to do that but everyone says you can't.They say the stock mechanical linkage will over extend the fingers on the diaphragm style clutchs. Is that true? How is yours setup and how does it work?How is your clutch pedal height also?

 

I have zero problems with mine, aside from more slip than I like, in something like 12k miles of abuse. If you adjust the linkage properly, there are no problems. Clutch pedal height is determined by the stopper under the dash, not by the linkage or the clutch.

As far as proper adjustment, I have my 67 dialed in exactly the way it should be. About 1" of pedal free play at the top before the TO bearing contacts the clutch fingers, and something like 1-2" at the bottom before the clutch engages.

I've been told that some higher end clutches (ie. Ram and Centerforce) may provide more grip than my TRW unit, but I was happy with my long-style clutch and I've heard the Boss 302 clutch is even better, so that's probably the way I'm going to go with it.

 

Which spring is that over center one? Is it the long one? or the little one?

 

Is it this spring? http://www.mustangsunlimited.com/ite...p?T1=27534A+01

 

Diaphragm or 3 finger won't matter as long as the clutch is for the correct year Mustang(ie mechanical, or cable/hydraulic linkage). Diaphragm is easier to accuate though(usually). Centerforce Dual Friction, you can get an early style linkage clutch that'll bolt right up, get a 10.5" clutch and it should hold up to abuse for quite a while. Spec makes good clutches too, but I don't think they make anything that'll work with mechanical linkage though, but I could be wrong on that

 

Bump on the spring!!! Is this the one I take off http://www.mustangsunlimited.com/ite...p?T1=27534A+01

 

Yes, that's the one. It's not a return spring through, it's an assist spring. You have to remove the dash to get to it easily